diff --git a/sc2/src/sc2code/clock.c b/sc2/src/sc2code/clock.c
index b4bfd3ba0..2c908fe09 100644
--- a/sc2/src/sc2code/clock.c
+++ b/sc2/src/sc2code/clock.c
@@ -222,7 +222,7 @@ SetGameClockRate (COUNT seconds_per_day)
 {
 	SIZE new_day_in_ticks, new_tick_count;
 
-//if (GLOBAL (GameClock.clock_sem)) printf ("%u\n", GLOBAL (GameClock.clock_sem));
+//if (GLOBAL (GameClock.clock_sem)) fprintf (stderr, "%u\n", GLOBAL (GameClock.clock_sem));
 	SetSemaphore (GLOBAL (GameClock.clock_sem));
 	new_day_in_ticks = (SIZE)(seconds_per_day * (ONE_SECOND / 5));
 	if (GLOBAL (GameClock.day_in_ticks) == 0)
diff --git a/sc2/src/sc2code/collide.c b/sc2/src/sc2code/collide.c
index f0a0faea6..a247b6f3a 100644
--- a/sc2/src/sc2code/collide.c
+++ b/sc2/src/sc2code/collide.c
@@ -56,11 +56,11 @@ collide (ELEMENTPTR ElementPtr0, ELEMENTPTR ElementPtr1)
 	}
 
 #ifdef DEBUG
-printf ("Centers: <%d, %d> <%d, %d>\n",
-ElementPtr0->next.location.x, ElementPtr0->next.location.y,
-ElementPtr1->next.location.x, ElementPtr1->next.location.y);
-printf ("RelTravelAngle : %d, ImpactAngles <%d, %d>\n",
-RelTravelAngle, ImpactAngle0, ImpactAngle1);
+	fprintf (stderr, "Centers: <%d, %d> <%d, %d>\n",
+			ElementPtr0->next.location.x, ElementPtr0->next.location.y,
+			ElementPtr1->next.location.x, ElementPtr1->next.location.y);
+	fprintf (stderr, "RelTravelAngle : %d, ImpactAngles <%d, %d>\n",
+			RelTravelAngle, ImpactAngle0, ImpactAngle1);
 #endif /* DEBUG */
 
 	if (ElementPtr0->next.location.x == ElementPtr0->current.location.x
@@ -78,8 +78,8 @@ RelTravelAngle, ImpactAngle0, ImpactAngle1);
 		ElementPtr0->state_flags |= (DEFY_PHYSICS | COLLISION);
 		ElementPtr1->state_flags |= (DEFY_PHYSICS | COLLISION);
 #ifdef DEBUG
-printf ("No movement before collision -- <(%d, %d) = %d, (%d, %d) = %d>\n",
-dx0, dy0, ImpactAngle0 - OCTANT, dx1, dy1, ImpactAngle1 - OCTANT);
+		fprintf (stderr, "No movement before collision -- <(%d, %d) = %d, (%d, %d) = %d>\n",
+				dx0, dy0, ImpactAngle0 - OCTANT, dx1, dy1, ImpactAngle1 - OCTANT);
 #endif /* DEBUG */
 	}
 
@@ -165,10 +165,10 @@ dx0, dy0, ImpactAngle0 - OCTANT, dx1, dy1, ImpactAngle1 - OCTANT);
 						WORLD_TO_VELOCITY (SCALED_ONE) - 1));
 		}
 #ifdef DEBUG
-GetCurrentVelocityComponents (&ElementPtr0->velocity, &dx0, &dy0);
-GetCurrentVelocityComponents (&ElementPtr1->velocity, &dx1, &dy1);
-printf ("After: <%d, %d> <%d, %d>\n\n",
-dx0, dy0, dx1, dy1);
+		GetCurrentVelocityComponents (&ElementPtr0->velocity, &dx0, &dy0);
+		GetCurrentVelocityComponents (&ElementPtr1->velocity, &dx1, &dy1);
+		fprintf (stderr, "After: <%d, %d> <%d, %d>\n\n",
+				dx0, dy0, dx1, dy1);
 #endif /* DEBUG */
 	}
 }
diff --git a/sc2/src/sc2code/comm/zoqfot/zoqfotc.c b/sc2/src/sc2code/comm/zoqfot/zoqfotc.c
index d8da37a06..0ad0f8c03 100644
--- a/sc2/src/sc2code/comm/zoqfot/zoqfotc.c
+++ b/sc2/src/sc2code/comm/zoqfot/zoqfotc.c
@@ -378,9 +378,9 @@ ZoqFotIntro (RESPONSE_REF R)
 		DISABLE_PHRASE (what_look_like);
 	}
 	
-// printf ("yr = 0x%x wf = 0x%x\n", alien_text[your_race][0], alien_text[where_from][0]);
-// printf ("we = 0x%x tl = 0x%x\n", alien_text[what_emergency][0], alien_text[tough_luck][0]);
-// printf ("wll = 0x%x\n", what_look_like);
+// fprintf (stderr, "yr = 0x%x wf = 0x%x\n", alien_text[your_race][0], alien_text[where_from][0]);
+// fprintf (stderr, "we = 0x%x tl = 0x%x\n", alien_text[what_emergency][0], alien_text[tough_luck][0]);
+// fprintf (stderr, "wll = 0x%x\n", what_look_like);
 	if (PHRASE_ENABLED (your_race)
 			|| PHRASE_ENABLED (where_from)
 			|| PHRASE_ENABLED (what_emergency))
diff --git a/sc2/src/sc2code/cyborg.c b/sc2/src/sc2code/cyborg.c
index 5693186ef..45ac837e2 100644
--- a/sc2/src/sc2code/cyborg.c
+++ b/sc2/src/sc2code/cyborg.c
@@ -289,7 +289,7 @@ InitCyborg (STARSHIPPTR StarShipPtr)
 	COUNT Index, Divisor;
 
 #ifdef DEBUG
-//turn_counter[which_ship] = 0;
+	//turn_counter[which_ship] = 0;
 #endif /* DEBUG */
 
 	Index = StarShipPtr->RaceDescPtr->characteristics.max_thrust
@@ -300,21 +300,19 @@ InitCyborg (STARSHIPPTR StarShipPtr)
 	else
 		Index >>= 1;
 #ifdef PRINT_MI
-{
-char buf[40];
+	{
+		char buf[40];
 
-GetStringContents (StarShipPtr->RaceDescPtr->ship_data.race_strings, buf, FALSE);
-printf ("MI(%s) -- <%u:%u> = %u\n",
-buf,
-StarShipPtr->RaceDescPtr->characteristics.max_thrust *
-StarShipPtr->RaceDescPtr->characteristics.thrust_increment,
-Divisor,
-Index);
-}
+		GetStringContents (StarShipPtr->RaceDescPtr->ship_data.race_strings, buf, FALSE);
+		fprintf (stderr, "MI(%s) -- <%u:%u> = %u\n", buf,
+				StarShipPtr->RaceDescPtr->characteristics.max_thrust *
+				StarShipPtr->RaceDescPtr->characteristics.thrust_increment,
+				Divisor, Index);
+	}
 #endif /* PRINT_MI */
 	StarShipPtr->RaceDescPtr->cyborg_control.ManeuverabilityIndex = Index;
 #ifdef DEBUG
-//turn_counter[which_ship] = 0;
+	//turn_counter[which_ship] = 0;
 #endif /* DEBUG */
 }
 
diff --git a/sc2/src/sc2code/displist.c b/sc2/src/sc2code/displist.c
index 5c4ac4224..b0b75e9d5 100644
--- a/sc2/src/sc2code/displist.c
+++ b/sc2/src/sc2code/displist.c
@@ -28,7 +28,7 @@ InitQueue (PQUEUE pq, COUNT num_elements, OBJ_SIZE size)
 	return (TRUE);
 #else /* QUEUE_TABLE */
 	SetFreeList (pq, NULL_HANDLE);
-// printf ("num_elements = %d (%d)\n", num_elements, (BYTE)num_elements);
+//	fprintf (stderr, "num_elements = %d (%d)\n", num_elements, (BYTE)num_elements);
 	if (AllocQueueTab (pq, num_elements) && LockQueueTab (pq))
 	{
 		do
@@ -105,8 +105,8 @@ AllocLink (PQUEUE pq)
 		UnlockLink (pq, hLink);
 	}
 /*
-else
-printf ("No more elements\n");
+	else
+		fprintf (stderr, "No more elements\n");
 */
 	return (hLink);
 }
diff --git a/sc2/src/sc2code/galaxy.c b/sc2/src/sc2code/galaxy.c
index 38fc6ec79..15e4bbc74 100644
--- a/sc2/src/sc2code/galaxy.c
+++ b/sc2/src/sc2code/galaxy.c
@@ -228,7 +228,7 @@ InitGalaxy (void)
 	PPOINT ppt;
 	PRIM_LINKS Links;
 
-// printf ("transition_width = %d transition_height = %d\n", TRANSITION_WIDTH, TRANSITION_HEIGHT);
+// fprintf (stderr, "transition_width = %d transition_height = %d\n", TRANSITION_WIDTH, TRANSITION_HEIGHT);
 
 	Links = MakeLinks (END_OF_LIST, END_OF_LIST);
 	factor = ONE_SHIFT + MAX_REDUCTION + (BACKGROUND_SHIFT - 3);
diff --git a/sc2/src/sc2code/gravity.c b/sc2/src/sc2code/gravity.c
index 9d976b5c4..d406a0a4b 100644
--- a/sc2/src/sc2code/gravity.c
+++ b/sc2/src/sc2code/gravity.c
@@ -57,25 +57,25 @@ CalculateGravity (PELEMENT ElementPtr)
 						- TestElementPtr->next.location.y;
 			}
 #if 0 //def DEBUG
-if (TestElementPtr->state_flags & PLAYER_SHIP)
-{
-printf ("CalculateGravity:\n");
-printf ("\tdx = %d, dy = %d\n", dx, dy);
-}
+			if (TestElementPtr->state_flags & PLAYER_SHIP)
+			{
+				fprintf (stderr, "CalculateGravity:\n");
+				fprintf (stderr, "\tdx = %d, dy = %d\n", dx, dy);
+			}
 #endif /* DEBUG */
 			dx = WRAP_DELTA_X (dx);
 			dy = WRAP_DELTA_Y (dy);
 #if 0 //def DEBUG
-if (TestElementPtr->state_flags & PLAYER_SHIP)
-printf ("\twrap_dx = %d, wrap_dy = %d\n", dx, dy);
+			if (TestElementPtr->state_flags & PLAYER_SHIP)
+				fprintf (stderr, "\twrap_dx = %d, wrap_dy = %d\n", dx, dy);
 #endif /* DEBUG */
 			abs_dx = dx >= 0 ? dx : -dx;
 			abs_dy = dy >= 0 ? dy : -dy;
 			abs_dx = WORLD_TO_DISPLAY (abs_dx);
 			abs_dy = WORLD_TO_DISPLAY (abs_dy);
 #if 0 //def DEBUG
-if (TestElementPtr->state_flags & PLAYER_SHIP)
-printf ("\tdisplay_dx = %d, display_dy = %d\n", abs_dx, abs_dy);
+			if (TestElementPtr->state_flags & PLAYER_SHIP)
+				fprintf (stderr, "\tdisplay_dx = %d, display_dy = %d\n", abs_dx, abs_dy);
 #endif /* DEBUG */
 			if (abs_dx <= GRAVITY_THRESHOLD
 					&& abs_dy <= GRAVITY_THRESHOLD)
@@ -101,12 +101,12 @@ printf ("\tdisplay_dx = %d, display_dy = %d\n", abs_dx, abs_dy);
 #define MAX_MAGNITUDE 6
 					else if (magnitude > MAX_MAGNITUDE)
 						magnitude = MAX_MAGNITUDE;
-printf ("magnitude = %u ", magnitude);
+					fprintf (stderr, "magnitude = %u ", magnitude);
 #endif /* NEVER */
 
 #if 0 //def DEBUG
-if (TestElementPtr->state_flags & PLAYER_SHIP)
-printf ("dist_squared = %lu\n", dist_squared);
+					if (TestElementPtr->state_flags & PLAYER_SHIP)
+						fprintf (stderr, "dist_squared = %lu\n", dist_squared);
 #endif /* DEBUG */
 					if (TestHasGravity)
 					{
diff --git a/sc2/src/sc2code/grpinfo.c b/sc2/src/sc2code/grpinfo.c
index 5acc7df57..8e66c32bf 100644
--- a/sc2/src/sc2code/grpinfo.c
+++ b/sc2/src/sc2code/grpinfo.c
@@ -290,8 +290,8 @@ FlushGroupInfo (GROUP_HEADER *pGH, DWORD offset, BYTE which_group, PVOID
 	SeekResFile (fp, offset, SEEK_SET);
 	WriteResFile (pGH, sizeof (*pGH), 1, fp);
 #ifdef DEBUG
-printf ("1)FlushGroupInfo(%lu): WG = %u(%lu), NG = %u, SI = %u\n",
-offset, which_group, pGH->GroupOffset[which_group], pGH->NumGroups, pGH->star_index);
+	fprintf (stderr, "1)FlushGroupInfo(%lu): WG = %u(%lu), NG = %u, SI = %u\n",
+	offset, which_group, pGH->GroupOffset[which_group], pGH->NumGroups, pGH->star_index);
 #endif /* DEBUG */
 
 	NumShips = (BYTE)CountLinks (&GLOBAL (npc_built_ship_q));
@@ -322,14 +322,14 @@ offset, which_group, pGH->GroupOffset[which_group], pGH->NumGroups, pGH->star_in
 		WriteResFile ((PBYTE)&RaceType, sizeof (RaceType), 1, fp);
 
 #ifdef DEBUG
-if (which_group == 0)
-printf ("F) type %u, loc %u<%d, %d>, task 0x%02x:%u\n",
-RaceType,
-GET_GROUP_LOC (FragPtr),
-FragPtr->ShipInfo.loc.x,
-FragPtr->ShipInfo.loc.y,
-GET_GROUP_MISSION (FragPtr),
-GET_GROUP_DEST (FragPtr));
+		if (which_group == 0)
+			fprintf (stderr, "F) type %u, loc %u<%d, %d>, task 0x%02x:%u\n",
+					RaceType,
+					GET_GROUP_LOC (FragPtr),
+					FragPtr->ShipInfo.loc.x,
+					FragPtr->ShipInfo.loc.y,
+					GET_GROUP_MISSION (FragPtr),
+					GET_GROUP_DEST (FragPtr));
 #endif /* DEBUG */
 		Ptr = (PBYTE)&FragPtr->RaceDescPtr;
 		WriteResFile ((PBYTE)Ptr,
@@ -361,7 +361,7 @@ GetGroupInfo (DWORD offset, BYTE which_group)
 		SeekResFile (fp, offset, SEEK_SET);
 		ReadResFile (&GH, sizeof (GH), 1, fp);
 #ifdef DEBUG
-printf ("GetGroupInfo(%lu): %u(%lu) out of %u\n", offset, which_group, GH.GroupOffset[which_group], GH.NumGroups);
+		fprintf (stderr, "GetGroupInfo(%lu): %u(%lu) out of %u\n", offset, which_group, GH.GroupOffset[which_group], GH.NumGroups);
 #endif /* DEBUG */
 		if (which_group == (BYTE)~0)
 		{
@@ -369,7 +369,7 @@ printf ("GetGroupInfo(%lu): %u(%lu) out of %u\n", offset, which_group, GH.GroupO
 
 			ReinitQueue (&GLOBAL (npc_built_ship_q));
 #ifdef DEBUG
-printf ("%u == %u\n", GH.star_index, (COUNT)(CurStarDescPtr - star_array));
+			fprintf (stderr, "%u == %u\n", GH.star_index, (COUNT)(CurStarDescPtr - star_array));
 #endif /* DEBUG */
 			day_index = GH.day_index;
 			month_index = GH.month_index;
@@ -382,9 +382,9 @@ printf ("%u == %u\n", GH.star_index, (COUNT)(CurStarDescPtr - star_array));
 				CloseResFile (fp);
 
 #ifdef DEBUG
-if (GH.star_index == (COUNT)(CurStarDescPtr - star_array))
-printf ("GetGroupInfo: battle groups out of date %u/%u/%u!\n",
-month_index, day_index, year_index);
+			if (GH.star_index == (COUNT)(CurStarDescPtr - star_array))
+				fprintf (stderr, "GetGroupInfo: battle groups out of date %u/%u/%u!\n",
+						month_index, day_index, year_index);
 #endif /* DEBUG */
 				fp = OpenResFile (RANDGRPINFO_FILE, "wb");
 				GH.NumGroups = 0;
@@ -471,15 +471,16 @@ month_index, day_index, year_index);
 						SET_GROUP_LOC (FragPtr, group_loc);
 
 #ifdef DEBUG
-printf ("battle group %u(0x%04x) strength %u, type %u, loc %u<%d, %d>, task %u\n",
-which_group,
-hStarShip,
-NumShips,
-RaceType,
-group_loc,
-FragPtr->ShipInfo.loc.x,
-FragPtr->ShipInfo.loc.y,
-task);
+						fprintf (stderr, "battle group %u(0x%04x) strength %u, "
+								"type %u, loc %u<%d, %d>, task %u\n",
+								which_group,
+								hStarShip,
+								NumShips,
+								RaceType,
+								group_loc,
+								FragPtr->ShipInfo.loc.x,
+								FragPtr->ShipInfo.loc.y,
+								task);
 #endif /* DEBUG */
 						UnlockStarShip (
 								&GLOBAL (npc_built_ship_q), hStarShip
@@ -551,21 +552,21 @@ task);
 						1, fp);
 
 #ifdef DEBUG
-if (which_group == 0)
-printf ("G) type %u, loc %u<%d, %d>, task 0x%02x:%u\n",
-RaceType,
-GET_GROUP_LOC (FragPtr),
-FragPtr->ShipInfo.loc.x,
-FragPtr->ShipInfo.loc.y,
-GET_GROUP_MISSION (FragPtr),
-GET_GROUP_DEST (FragPtr));
+				if (which_group == 0)
+					fprintf (stderr, "G) type %u, loc %u<%d, %d>, task 0x%02x:%u\n",
+							RaceType,
+							GET_GROUP_LOC (FragPtr),
+							FragPtr->ShipInfo.loc.x,
+							FragPtr->ShipInfo.loc.y,
+							GET_GROUP_MISSION (FragPtr),
+							GET_GROUP_DEST (FragPtr));
 #endif /* DEBUG */
 				if (GET_GROUP_ID (FragPtr) != BaseGroup
 						|| which_group
 						|| ShipsLeft)
 				{
 #ifdef DEBUG
-printf ("\n");
+					fprintf (stderr, "\n");
 #endif /* DEBUG */
 					if (RaceType == SHOFIXTI_SHIP
 							&& which_group
@@ -588,7 +589,7 @@ printf ("\n");
 				else
 				{
 #ifdef DEBUG
-printf (" -- REMOVING\n");
+					fprintf (stderr, " -- REMOVING\n");
 #endif /* DEBUG */
 					UnlockStarShip (
 							&GLOBAL (npc_built_ship_q), hStarShip
@@ -659,7 +660,7 @@ PutGroupInfo (DWORD offset, BYTE which_group)
 		}
 		GH.star_index = CurStarDescPtr - star_array;
 #ifdef DEBUG
-printf ("PutGroupInfo(%lu): %u out of %u -- %u/%u/%u\n",
+		fprintf (stderr, "PutGroupInfo(%lu): %u out of %u -- %u/%u/%u\n",
 offset, which_group, GH.NumGroups,
 GH.month_index, GH.day_index, GH.year_index);
 #endif /* DEBUG */
diff --git a/sc2/src/sc2code/hyper.c b/sc2/src/sc2code/hyper.c
index 6af264d5d..c7be4c067 100644
--- a/sc2/src/sc2code/hyper.c
+++ b/sc2/src/sc2code/hyper.c
@@ -230,7 +230,7 @@ percent = 0;
 				GetStringContents (SetAbsStringTableIndex (
 						TemplatePtr->ShipInfo.race_strings, 1
 						), (STRINGPTR)buf, FALSE);
-// printf ("%s encounter\n", buf);
+//				fprintf (stderr, "%s encounter\n", buf);
 #endif /* DEBUG */
 				hEncounter = AllocEncounter ();
 				if (hEncounter)
diff --git a/sc2/src/sc2code/libs/decomp/lzdecode.c b/sc2/src/sc2code/libs/decomp/lzdecode.c
index 5213ce286..0b90282ac 100644
--- a/sc2/src/sc2code/libs/decomp/lzdecode.c
+++ b/sc2/src/sc2code/libs/decomp/lzdecode.c
@@ -36,9 +36,9 @@ PBYTE _Stream;
 UWORD _workbuf;
 BYTE _workbuflen;
 
+/* get one bit */
 static SWORD
-GetBit (/* get one bit */
-	void)
+GetBit (void)
 {
 	SWORD i;
 
diff --git a/sc2/src/sc2code/libs/graphics/cmap.c b/sc2/src/sc2code/libs/graphics/cmap.c
index e1bce8903..413261066 100644
--- a/sc2/src/sc2code/libs/graphics/cmap.c
+++ b/sc2/src/sc2code/libs/graphics/cmap.c
@@ -58,7 +58,7 @@ int TFB_GetColorMapType ()
 
 void TFB_ReleaseColorMap ()
 {
-	//printf("TFB_ReleaseColorMap()\n");
+	//fprintf (stderr, "TFB_ReleaseColorMap()\n");
 	has_colormap = FALSE;
 }
 
@@ -168,7 +168,7 @@ SetColorMap (COLORMAPPTR map, int type)
 	TFB_ColorMapToRGB (vp);
 	has_colormap = TRUE;
 
-	//printf("SetColorMap(): vp %x map %x bytes %d, start %d end %d\n",vp, map, bytes, start, end);
+	//fprintf (stderr, "SetColorMap(): vp %x map %x bytes %d, start %d end %d\n",vp, map, bytes, start, end);
 	return TRUE;
 }
 
@@ -198,7 +198,7 @@ int xform_clut_task (void *data)
 				TDelta = TTotal;
 
 			cur += (end - cur) * TDelta / TTotal;
-			//printf("xform_clut_task cur %d\n", cur);
+			//fprintf (stderr, "xform_clut_task cur %d\n", cur);
 		} while (TTotal -= TDelta && (!Task_ReadState (task, TASK_EXIT)));
 	}
 
diff --git a/sc2/src/sc2code/libs/graphics/intersec.c b/sc2/src/sc2code/libs/graphics/intersec.c
index 949b44f61..d88908b24 100644
--- a/sc2/src/sc2code/libs/graphics/intersec.c
+++ b/sc2/src/sc2code/libs/graphics/intersec.c
@@ -332,12 +332,12 @@ DrawablesIntersect (PINTERSECT_CONTROL pControl0,
 				++time_x_1;
 
 #ifdef DEBUG
-printf ("FramePtr0<%d, %d> --> <%d, %d>\nFramePtr1<%d, %d> --> <%d, %d>\n",
-GetFrameWidth (FramePtr0), GetFrameHeight (FramePtr0),
-r0.corner.x, r0.corner.y,
-GetFrameWidth (FramePtr1), GetFrameHeight (FramePtr1),
-r1.corner.x, r1.corner.y);
-printf ("time_x(%d, %d)-%d, time_y(%d, %d)-%d\n", time_x_0, time_x_1, dx, time_y_0, time_y_1, dy);
+				fprintf (stderr, "FramePtr0<%d, %d> --> <%d, %d>\nFramePtr1<%d, %d> --> <%d, %d>\n",
+						GetFrameWidth (FramePtr0), GetFrameHeight (FramePtr0),
+						r0.corner.x, r0.corner.y,
+						GetFrameWidth (FramePtr1), GetFrameHeight (FramePtr1),
+						r1.corner.x, r1.corner.y);
+				fprintf (stderr, "time_x(%d, %d)-%d, time_y(%d, %d)-%d\n", time_x_0, time_x_1, dx, time_y_0, time_y_1, dy);
 #endif /* DEBUG */
 				if (dx == 0)
 				{
@@ -380,7 +380,7 @@ printf ("time_x(%d, %d)-%d, time_y(%d, %d)-%d\n", time_x_0, time_x_1, dx, time_y
 			}
 
 #ifdef DEBUG
-printf ("start_time = %d, end_time = %d\n", time_y_0, time_y_1);
+			fprintf (stderr, "start_time = %d, end_time = %d\n", time_y_0, time_y_1);
 #endif /* DEBUG */
 			if (time_y_0 <= time_y_1
 					&& (intersect_time = frame_intersect (
diff --git a/sc2/src/sc2code/libs/graphics/sdl/3do_blt.c b/sc2/src/sc2code/libs/graphics/sdl/3do_blt.c
index 17103428d..0aaf93967 100644
--- a/sc2/src/sc2code/libs/graphics/sdl/3do_blt.c
+++ b/sc2/src/sc2code/libs/graphics/sdl/3do_blt.c
@@ -33,7 +33,7 @@ blt (PRECT pClipRect, PRIMITIVEPTR PrimPtr)
 	SrcFramePtr = (PFRAME_DESC)PrimPtr->Object.Stamp.frame;
 	if (SrcFramePtr->DataOffs == 0)
 	{
-		printf ("Non-existent image to blt()\n");
+		fprintf (stderr, "Non-existent image to blt()\n");
 		return;
 	}
 
@@ -97,7 +97,7 @@ blt (PRECT pClipRect, PRIMITIVEPTR PrimPtr)
 						}
 						else
 						{
-							printf("blt(): TFB_DisplayFormatAlpha failed\n");
+							fprintf (stderr, "blt(): TFB_DisplayFormatAlpha failed\n");
 							img->ScaledImg = new_surf;
 						}
 					}
@@ -114,7 +114,7 @@ blt (PRECT pClipRect, PRIMITIVEPTR PrimPtr)
 				}
 				else
 				{
-					printf("blt(): zoomSurface failed\n");
+					fprintf (stderr, "blt(): zoomSurface failed\n");
 				}
 			}
 		}
@@ -262,7 +262,7 @@ fillrect_blt (PRECT pClipRect, PRIMITIVEPTR PrimPtr)
 static void
 cmap_blt (PRECT pClipRect, PRIMITIVEPTR PrimPtr)
 {
-	printf ("Unimplemented function activated: cmap_blt()\n");
+	fprintf (stderr, "Unimplemented function activated: cmap_blt()\n");
 }
 
 static void
@@ -313,7 +313,7 @@ read_screen (PRECT lpRect, FRAMEPTR DstFramePtr)
 			->FlagsAndIndex)
 			& ((DWORD) MAPPED_TO_DISPLAY << FTYPE_SHIFT)))
 	{
-		printf("Unimplemented function activated: read_screen()\n");
+		fprintf (stderr, "Unimplemented function activated: read_screen()\n");
 	}
 	else
 	{
diff --git a/sc2/src/sc2code/libs/graphics/sdl/3do_funcs.c b/sc2/src/sc2code/libs/graphics/sdl/3do_funcs.c
index 4afb2f70c..dbd0b7037 100644
--- a/sc2/src/sc2code/libs/graphics/sdl/3do_funcs.c
+++ b/sc2/src/sc2code/libs/graphics/sdl/3do_funcs.c
@@ -91,14 +91,14 @@ void
 SetGraphicStrength (int numerator, int denominator)
 		// I just hope numerator always = denominator...
 { 
-	//printf("Unimplemented function activated: SetGraphicsStrength(), %d %d\n",numerator,denominator);
+	//fprintf (stderr, "Unimplemented function activated: SetGraphicsStrength(), %d %d\n",numerator,denominator);
 }
 
 //Status: Unimplemented
 void
 ScreenTransition (int TransType, PRECT pRect) //TransType==3
 {
-	//printf ("Unimplemented function activated: ScreenTransition()\n");
+	//fprintf (stderr, "Unimplemented function activated: ScreenTransition()\n");
 }
 
 void
@@ -139,7 +139,7 @@ LoadIntoExtraScreen (PRECT r)
 		r = &locRect;
 	}
 
-// printf ("LoadIntoExtraScreen (%d, %d, {%d, %d})\n", r->corner.x, r->corner.y, r->extent.width, r->extent.height);
+// fprintf (stderr, "LoadIntoExtraScreen (%d, %d, {%d, %d})\n", r->corner.x, r->corner.y, r->extent.width, r->extent.height);
 //	DC = HMalloc (sizeof (TFB_DrawCommand));
 
 	DC.Type = TFB_DRAWCOMMANDTYPE_COPYBACKBUFFERTOOTHERBUFFER;
@@ -158,7 +158,7 @@ InitVideo (BOOLEAN useCDROM) //useCDROM doesn't really apply to us...
 {
 	BOOLEAN ret;
 
-// printf("Unimplemented function activated: InitVideo()\n");
+// fprintf (stderr, "Unimplemented function activated: InitVideo()\n");
 	ret = TRUE;
 	return (ret);
 }
@@ -167,14 +167,14 @@ InitVideo (BOOLEAN useCDROM) //useCDROM doesn't really apply to us...
 void
 UninitVideo ()  //empty
 {
-	// printf("Unimplemented function activated: UninitVideo()\n");
+	// fprintf (stderr, "Unimplemented function activated: UninitVideo()\n");
 }
 
 //Status: Unimplemented
 void
 VidStop() // At least this one makes sense.
 {
-		// printf ("Unimplemented function activated: VidStop()\n");
+		// fprintf (stderr, "Unimplemented function activated: VidStop()\n");
 }
 
 //Status: Unimplemented
@@ -183,7 +183,7 @@ VidPlaying()  // Easy enough.
 {
 		MEM_HANDLE ret;
 
-		//printf("Unimplemented function activated: VidPlaying()\n");
+		//fprintf (stderr, "Unimplemented function activated: VidPlaying()\n");
 		ret = 0;
 		return (ret);
 }
@@ -196,7 +196,7 @@ VidPlay (VIDEO_REF VidRef, char *loopname, BOOLEAN uninit)
 	VIDEO_TYPE ret;
 	ret = 0;
 
-// printf("Unimplemented function activated: VidPlay()\n");
+// fprintf (stderr, "Unimplemented function activated: VidPlay()\n");
 	return (ret);
 }
 
@@ -205,7 +205,7 @@ _init_video_file(PVOID pStr)
 {
 	VIDEO_REF ret;
 
-	printf ("Unimplemented function activated: _init_video_file()\n");
+	fprintf (stderr, "Unimplemented function activated: _init_video_file()\n");
 	ret = 0;
 	return (ret);
 }
@@ -217,7 +217,7 @@ _image_intersect (PIMAGE_BOX box1, PIMAGE_BOX box2, PRECT rect)
 {
 	BOOLEAN ret;
 
-// printf ("Unimplemented function activated: _image_intersect()\n");
+// fprintf (stderr, "Unimplemented function activated: _image_intersect()\n");
 	ret = TRUE;
 	return (ret);
 }
diff --git a/sc2/src/sc2code/libs/graphics/sdl/3do_getbody.c b/sc2/src/sc2code/libs/graphics/sdl/3do_getbody.c
index 30e5d24dc..a22b76ddb 100644
--- a/sc2/src/sc2code/libs/graphics/sdl/3do_getbody.c
+++ b/sc2/src/sc2code/libs/graphics/sdl/3do_getbody.c
@@ -208,12 +208,10 @@ process_image (FRAMEPTR FramePtr, SDL_Surface *img[], int cel_ct, BOOLEAN is_fon
 	SetFrameBounds (FramePtr, img[cel_ct]->clip_rect.w, img[cel_ct]->clip_rect.h);
 
 #if 0
-	printf ("\thot[%d, %d], rect[%d, %d, %d, %d]\n",
-		hx, hy,
-		img[cel_ct]->clip_rect.x,
-		img[cel_ct]->clip_rect.y,
-		img[cel_ct]->clip_rect.w,
-		img[cel_ct]->clip_rect.h);
+	fprintf (stderr, "\thot[%d, %d], rect[%d, %d, %d, %d]\n",
+			hx, hy,
+			img[cel_ct]->clip_rect.x, img[cel_ct]->clip_rect.y,
+			img[cel_ct]->clip_rect.w, img[cel_ct]->clip_rect.h);
 #endif
 
 }
@@ -257,7 +255,7 @@ _GetCelData (FILE *fp, DWORD length)
 	{
 		/*char fnamestr[1000];
 		sscanf(CurrentLine, "%s", fnamestr);
-		printf("imgload %s\n",fnamestr);*/
+		fprintf (stderr, "imgload %s\n",fnamestr);*/
 
 		if
 		(
@@ -269,8 +267,8 @@ _GetCelData (FILE *fp, DWORD length)
 		)
 			++cel_ct;
 		else if (img[cel_ct])
-printf("_GetCelData: Bad file!\n"),
-			SDL_FreeSurface (img[cel_ct]);
+			fprintf (stderr, "_GetCelData: Bad file!\n"),
+					SDL_FreeSurface (img[cel_ct]);
 		
 		
 
@@ -311,8 +309,9 @@ printf("_GetCelData: Bad file!\n"),
 		}
 	}
 
-if (Drawable == 0)
-	printf ("Couldn't get cel data for '%s'\n", _cur_resfile_name);
+	if (Drawable == 0)
+		fprintf (stderr, "Couldn't get cel data for '%s'\n",
+				_cur_resfile_name);
 	return (GetDrawableHandle (Drawable));
 }
 
diff --git a/sc2/src/sc2code/libs/graphics/sdl/dcqueue.c b/sc2/src/sc2code/libs/graphics/sdl/dcqueue.c
index 48482ceb2..6e59a32fb 100644
--- a/sc2/src/sc2code/libs/graphics/sdl/dcqueue.c
+++ b/sc2/src/sc2code/libs/graphics/sdl/dcqueue.c
@@ -51,7 +51,7 @@ Lock_DCQ (void)
 		DCQ_locking_thread = current_thread;
 	}
 	++DCQ_locking_depth;
-	// printf("DCQ_sem locking depth: %i\n", DCQ_locking_depth);
+	// fprintf (stderr, "DCQ_sem locking depth: %i\n", DCQ_locking_depth);
 }
 
 void
@@ -60,12 +60,12 @@ Unlock_DCQ (void)
 	Uint32 current_thread = SDL_ThreadID ();
 	if (DCQ_locking_thread != current_thread)
 	{
-		printf("%8x attempted to unlock the DCQ when it didn't hold it!\n", current_thread);
+		fprintf (stderr, "%8x attempted to unlock the DCQ when it didn't hold it!\n", current_thread);
 	}
 	else
 	{
 		--DCQ_locking_depth;
-		// printf("DCQ_sem locking depth: %i\n", DCQ_locking_depth);
+		// fprintf (stderr, "DCQ_sem locking depth: %i\n", DCQ_locking_depth);
 		if (!DCQ_locking_depth)
 		{
 			DCQ_locking_thread = 0;
@@ -162,7 +162,7 @@ TFB_DrawCommandQueue_Push (TFB_DrawCommandQueue* myQueue,
 	}
 	else
 	{
-		printf("DCQ overload.  Adjust your livelock deterrence constants!\n");
+		fprintf (stderr, "DCQ overload.  Adjust your livelock deterrence constants!\n");
 	}
 
 	Unlock_DCQ ();
@@ -181,7 +181,7 @@ TFB_DrawCommandQueue_Pop (TFB_DrawCommandQueue *myQueue, TFB_DrawCommand *target
 
 	if (myQueue->Front == myQueue->Back && myQueue->Size != DCQ_MAX)
 	{
-		printf("Augh!  Assertion failure in DCQ!  Front == Back, Size != DCQ_MAX\n");
+		fprintf (stderr, "Augh!  Assertion failure in DCQ!  Front == Back, Size != DCQ_MAX\n");
 		myQueue->Size = 0;
 		Unlock_DCQ ();
 		return (0);
diff --git a/sc2/src/sc2code/libs/graphics/sdl/opengl.c b/sc2/src/sc2code/libs/graphics/sdl/opengl.c
index f0a650930..acea91927 100644
--- a/sc2/src/sc2code/libs/graphics/sdl/opengl.c
+++ b/sc2/src/sc2code/libs/graphics/sdl/opengl.c
@@ -35,20 +35,20 @@ TFB_GL_InitGraphics (int driver, int flags, int width, int height, int bpp)
 
 	GraphicsDriver = driver;
 
-	printf("Initializing SDL (OpenGL).\n");
+	fprintf (stderr, "Initializing SDL (OpenGL).\n");
 
 	if ((SDL_Init (SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) == -1))
 	{
-		printf("Could not initialize SDL: %s.\n", SDL_GetError());
+		fprintf (stderr, "Could not initialize SDL: %s.\n", SDL_GetError());
 		exit(-1);
 	}
 
 	SDL_VideoDriverName (VideoName, sizeof (VideoName));
-	printf("SDL driver used: %s\n", VideoName);
+	fprintf (stderr, "SDL driver used: %s\n", VideoName);
 	atexit (SDL_Quit);
 
-	printf ("SDL initialized.\n");
-	printf ("Initializing Screen.\n");
+	fprintf (stderr, "SDL initialized.\n");
+	fprintf (stderr, "Initializing Screen.\n");
 
 	ScreenWidth = 320;
 	ScreenHeight = 240;
@@ -57,7 +57,7 @@ TFB_GL_InitGraphics (int driver, int flags, int width, int height, int bpp)
 
 	switch(bpp) {
 		case 8:
-			printf("bpp of 8 not supported under OpenGL\n");
+			fprintf (stderr, "bpp of 8 not supported under OpenGL\n");
 			exit(-1);
 
 		case 15:
@@ -97,19 +97,19 @@ TFB_GL_InitGraphics (int driver, int flags, int width, int height, int bpp)
 
 	if (SDL_Video == NULL)
 	{
-		printf ("Couldn't set OpenGL %ix%ix%i video mode: %s\n",
-			ScreenWidthActual, ScreenHeightActual, bpp,
-			SDL_GetError ());
+		fprintf (stderr, "Couldn't set OpenGL %ix%ix%i video mode: %s\n",
+				ScreenWidthActual, ScreenHeightActual, bpp,
+				SDL_GetError ());
 		exit(-1);
 	}
 	else
 	{
-		printf ("Set the resolution to: %ix%ix%i\n",
-			SDL_GetVideoSurface()->w, SDL_GetVideoSurface()->h,
-			SDL_GetVideoSurface()->format->BitsPerPixel);
+		fprintf (stderr, "Set the resolution to: %ix%ix%i\n",
+				SDL_GetVideoSurface()->w, SDL_GetVideoSurface()->h,
+				SDL_GetVideoSurface()->format->BitsPerPixel);
 
-		printf("OpenGL renderer: %s version: %s\n", glGetString(GL_RENDERER), 
-			glGetString(GL_VERSION));
+		fprintf (stderr, "OpenGL renderer: %s version: %s\n",
+				glGetString(GL_RENDERER), glGetString(GL_VERSION));
 	}
 
 	SDL_Screen = SDL_CreateRGBSurface(SDL_SWSURFACE, ScreenWidth, ScreenHeight, 32,
@@ -117,8 +117,8 @@ TFB_GL_InitGraphics (int driver, int flags, int width, int height, int bpp)
 
 	if (SDL_Screen == NULL)
 	{
-		printf("Couldn't create back buffer: %s\n",
-			SDL_GetError());
+		fprintf (stderr, "Couldn't create back buffer: %s\n",
+				SDL_GetError());
 		exit(-1);
 	}
 
@@ -127,8 +127,8 @@ TFB_GL_InitGraphics (int driver, int flags, int width, int height, int bpp)
 
 	if (ExtraScreen == NULL)
 	{
-		printf("Couldn't create workspace buffer: %s\n",
-			SDL_GetError());
+		fprintf (stderr, "Couldn't create workspace buffer: %s\n",
+				SDL_GetError());
 		exit(-1);
 	}
 
@@ -137,8 +137,8 @@ TFB_GL_InitGraphics (int driver, int flags, int width, int height, int bpp)
 
 	if (format_conv_surf == NULL)
 	{
-		printf("Couldn't create format_conv_surf: %s\n",
-			SDL_GetError());
+		fprintf (stderr, "Couldn't create format_conv_surf: %s\n",
+				SDL_GetError());
 		exit(-1);
 	}
 
@@ -257,7 +257,7 @@ TFB_GL_SwapBuffers ()
 		glDisable(GL_TEXTURE_2D);
 		glEnable(GL_BLEND);
 
-		//printf("fade_amount %d c %f\n",fade_amount, c);
+		//fprintf (stderr, "fade_amount %d c %f\n",fade_amount, c);
 
 		TFB_GL_DrawQuad ();
 	}
diff --git a/sc2/src/sc2code/libs/graphics/sdl/pure.c b/sc2/src/sc2code/libs/graphics/sdl/pure.c
index 7a220441e..302bf8aeb 100644
--- a/sc2/src/sc2code/libs/graphics/sdl/pure.c
+++ b/sc2/src/sc2code/libs/graphics/sdl/pure.c
@@ -34,25 +34,25 @@ TFB_Pure_InitGraphics (int driver, int flags, int width, int height, int bpp)
 
 	GraphicsDriver = driver;
 
-	printf("Initializing SDL (pure).\n");
+	fprintf (stderr, "Initializing SDL (pure).\n");
 
 	if ((SDL_Init (SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) == -1))
 	{
-		printf("Could not initialize SDL: %s.\n", SDL_GetError());
+		fprintf (stderr, "Could not initialize SDL: %s.\n", SDL_GetError());
 		exit(-1);
 	}
 
 	SDL_VideoDriverName (VideoName, sizeof (VideoName));
-	printf("SDL driver used: %s\n", VideoName);
+	fprintf (stderr, "SDL driver used: %s\n", VideoName);
 			// Set the environment variable SDL_VIDEODRIVER to override
 			// For Linux: x11 (default), dga, fbcon, directfb, svgalib,
 			//            ggi, aalib
 			// For Windows: directx (default), windib
 	atexit (SDL_Quit);
 
-	printf ("SDL initialized.\n");
+	fprintf (stderr, "SDL initialized.\n");
 
-	printf ("Initializing Screen.\n");
+	fprintf (stderr, "Initializing Screen.\n");
 
 	ScreenWidth = 320;
 	ScreenHeight = 240;
@@ -71,7 +71,7 @@ TFB_Pure_InitGraphics (int driver, int flags, int width, int height, int bpp)
 		ScreenHeightActual = 480;
 
 		if (width != 640 || height != 480)
-			printf("Screen resolution of %dx%d not supported under pure SDL, using 640x480\n", width, height);
+			fprintf (stderr, "Screen resolution of %dx%d not supported under pure SDL, using 640x480\n", width, height);
 	}
 
 	videomode_flags |= SDL_ANYFORMAT;
@@ -83,14 +83,14 @@ TFB_Pure_InitGraphics (int driver, int flags, int width, int height, int bpp)
 
 	if (SDL_Video == NULL)
 	{
-		printf ("Couldn't set %ix%ix%i video mode: %s\n",
+		fprintf (stderr, "Couldn't set %ix%ix%i video mode: %s\n",
 			ScreenWidthActual, ScreenHeightActual, bpp,
 			SDL_GetError ());
 		exit(-1);
 	}
 	else
 	{
-		printf ("Set the resolution to: %ix%ix%i\n",
+		fprintf (stderr, "Set the resolution to: %ix%ix%i\n",
 			SDL_GetVideoSurface()->w, SDL_GetVideoSurface()->h,
 			SDL_GetVideoSurface()->format->BitsPerPixel);
 
@@ -101,7 +101,7 @@ TFB_Pure_InitGraphics (int driver, int flags, int width, int height, int bpp)
 
 	if (test_extra == NULL)
 	{
-		printf("Couldn't create back buffer: %s\n", SDL_GetError());
+		fprintf (stderr, "Couldn't create back buffer: %s\n", SDL_GetError());
 		exit(-1);
 	}
 
@@ -118,7 +118,7 @@ TFB_Pure_InitGraphics (int driver, int flags, int width, int height, int bpp)
 
 	if (SDL_Video->format->BytesPerPixel != SDL_Screen->format->BytesPerPixel)
 	{
-		printf("Fatal error: SDL_Video and SDL_Screen bpp doesn't match (%d vs. %d)\n",
+		fprintf (stderr, "Fatal error: SDL_Video and SDL_Screen bpp doesn't match (%d vs. %d)\n",
 			SDL_Video->format->BytesPerPixel,SDL_Screen->format->BytesPerPixel);
 		exit(-1);
 	}
diff --git a/sc2/src/sc2code/libs/graphics/sdl/sdl_common.c b/sc2/src/sc2code/libs/graphics/sdl/sdl_common.c
index 393f057fa..ac53a07fb 100644
--- a/sc2/src/sc2code/libs/graphics/sdl/sdl_common.c
+++ b/sc2/src/sc2code/libs/graphics/sdl/sdl_common.c
@@ -45,7 +45,7 @@ TFB_InitGraphics (int driver, int flags, int width, int height, int bpp)
 		result = TFB_GL_InitGraphics (driver, flags, width, height, bpp);
 #else
 		driver = TFB_GFXDRIVER_SDL_PURE;
-		printf("OpenGL support not compiled in, so using pure sdl driver\n");
+		fprintf (stderr, "OpenGL support not compiled in, so using pure sdl driver\n");
 		result = TFB_Pure_InitGraphics (driver, flags, width, height, bpp);
 #endif
 	}
@@ -219,7 +219,7 @@ TFB_LoadImage (SDL_Surface *img)
 		}
 		else
 		{
-			printf("TFB_LoadImage(): TFB_DisplayFormatAlpha failed\n");
+			fprintf (stderr, "TFB_LoadImage(): TFB_DisplayFormatAlpha failed\n");
 			myImage->NormalImg = img;
 		}
 	}
@@ -285,7 +285,7 @@ TFB_ComputeFPS ()
 	if (fps_counter > 1000)
 	{
 		fps_counter = 0;
-		printf ("fps %.2f\n",1.0 / (delta_time / 1000.0));
+		fprintf (stderr, "fps %.2f\n",1.0 / (delta_time / 1000.0));
 	}
 }
 
@@ -375,7 +375,7 @@ TFB_FlushGraphics () // Only call from main thread!!
 		++commands_handled;
 		if (!livelock_deterrence && commands_handled + DrawCommandQueue->Size > DCQ_LIVELOCK_MAX)
 		{
-			// printf("Initiating livelock deterrence!\n");
+			// fprintf (stderr, "Initiating livelock deterrence!\n");
 			livelock_deterrence = TRUE;
 			
 			Lock_DCQ ();
@@ -395,7 +395,7 @@ TFB_FlushGraphics () // Only call from main thread!!
 
 				if (DC_image == 0)
 				{
-					printf ("TFB_FlushGraphics(): error, DC_image == 0\n");
+					fprintf (stderr, "TFB_FlushGraphics(): error, DC_image == 0\n");
 					break;
 				}
 
@@ -526,7 +526,7 @@ TFB_FlushGraphics () // Only call from main thread!!
 			SDL_FreeSurface (DC_image->NormalImg);
 			
 			if (DC_image->ScaledImg) {
-				//printf("DELETEIMAGE to ScaledImg %x, size %d %d\n",DC_image->ScaledImg,DC_image->ScaledImg->w,DC_image->ScaledImg->h);
+				//fprintf (stderr, "DELETEIMAGE to ScaledImg %x, size %d %d\n",DC_image->ScaledImg,DC_image->ScaledImg->w,DC_image->ScaledImg->h);
 				SDL_FreeSurface (DC_image->ScaledImg);
 			}
 
diff --git a/sc2/src/sc2code/libs/input/sdl/input.c b/sc2/src/sc2code/libs/input/sdl/input.c
index 7c7eae37e..c63fa3f54 100644
--- a/sc2/src/sc2code/libs/input/sdl/input.c
+++ b/sc2/src/sc2code/libs/input/sdl/input.c
@@ -50,18 +50,18 @@ TFB_InitInput (int driver, int flags)
 
 	if ((SDL_InitSubSystem(SDL_INIT_JOYSTICK)) == -1)
 	{
-		printf("Couldn't initialize joystick subsystem: %s\n", SDL_GetError());
+		fprintf (stderr, "Couldn't initialize joystick subsystem: %s\n", SDL_GetError());
 		exit(-1);
 	}
 
-	printf ("%i joysticks were found.\n", SDL_NumJoysticks ());
+	fprintf (stderr, "%i joysticks were found.\n", SDL_NumJoysticks ());
 	
-	if(SDL_NumJoysticks() > 0)
+	if (SDL_NumJoysticks () > 0)
 	{
-		printf ("The names of the joysticks are:\n");
+		fprintf (stderr, "The names of the joysticks are:\n");
 		for(i = 0; i < SDL_NumJoysticks (); i++)
 		{
-			printf("    %s\n", SDL_JoystickName (i));
+			fprintf (stderr, "    %s\n", SDL_JoystickName (i));
 		}
 		SDL_JoystickEventState (SDL_ENABLE);
 		Joystick1 = SDL_JoystickOpen (0);
@@ -198,7 +198,7 @@ ProcessJoystickEvent (const SDL_Event* Event)
 	}
 	if (Event->type == SDL_JOYBUTTONDOWN)
 	{
-		printf("Joystick %i down\n", Event->jbutton.button);
+		fprintf (stderr, "Joystick %i down\n", Event->jbutton.button);
 
 		if (Event->jbutton.button % 3 == 0)
 		{
@@ -278,7 +278,7 @@ UninitInput () // Looks like it'll be empty
 {
 		BOOLEAN ret;
 
-		// printf("Unimplemented function activated: UninitInput()\n");
+		// fprintf (stderr, "Unimplemented function activated: UninitInput()\n");
 		ret = TRUE;
 		return (ret);
 }
@@ -536,7 +536,7 @@ AnyButtonPress (BOOLEAN DetectSpecial)
 BOOLEAN
 _joystick_port_active(COUNT port) //SDL handles this nicely.
 {
-	printf ("Unimplemented function activated: _joystick_port_active()\n");
+	fprintf (stderr, "Unimplemented function activated: _joystick_port_active()\n");
 	return (0);
 }
 
@@ -639,74 +639,74 @@ INPUT_STATE
 _get_joystick_state (INPUT_REF ref, INPUT_STATE InputState)
 		// consistant, at least.
 {
-// printf ("Half-implemented function activated: _get_joystick_state()\n");
+// fprintf (stderr, "Half-implemented function activated: _get_joystick_state()\n");
 
 	if (KeyboardStroke[SDLK_LEFT])
 	{
 		SetInputXComponent (&InputState, -1);
-// printf ("LEFT!\n");
+// fprintf (stderr, "LEFT!\n");
 		KeyboardStroke[SDLK_LEFT] = FALSE;
 	}
 	if (KeyboardStroke[SDLK_RIGHT])
 	{
 		SetInputXComponent (&InputState, 1);
-// printf ("RIGHT!\n");
+// fprintf (stderr, "RIGHT!\n");
 		KeyboardStroke[SDLK_RIGHT] = FALSE;
 	}
 
 	if (KeyboardStroke[SDLK_UP])
 	{
 		SetInputYComponent (&InputState, -1);
-// printf ("UP!\n");
+// fprintf (stderr, "UP!\n");
 		KeyboardStroke[SDLK_UP] = FALSE;
 	}
 	if (KeyboardStroke[SDLK_DOWN])
 	{
 		SetInputYComponent (&InputState, 1);
-// printf ("DOWN!\n");
+// fprintf (stderr, "DOWN!\n");
 		KeyboardStroke[SDLK_DOWN] = FALSE;
 	}
 
 	if (KeyboardStroke[ControlA])
 	{
 		InputState |= DEVICE_BUTTON1;
-// printf("BUTTON1!\n");
+// fprintf (stderr, "BUTTON1!\n");
 		KeyboardStroke[ControlA]=FALSE;
 	}
 	if (KeyboardStroke[ControlB])
 	{
 		InputState |= DEVICE_BUTTON2;
-// printf ("BUTTON2!\n");
+// fprintf (stderr, "BUTTON2!\n");
 		KeyboardStroke[ControlB] = FALSE;
 	}
 	if (KeyboardStroke[ControlC])
 	{
 		InputState |= DEVICE_BUTTON3;
-// printf ("BUTTON3!\n");
+// fprintf (stderr, "BUTTON3!\n");
 		KeyboardStroke[ControlC] = FALSE;
 	}
 	if (KeyboardStroke[ControlX])
 	{
 		InputState |= DEVICE_EXIT;
-// printf ("BUTTONX!\n");
+// fprintf (stderr, "BUTTONX!\n");
 		KeyboardStroke[ControlX] = FALSE;
 	}
 	if (KeyboardStroke[ControlStart])
 	{
 		InputState |= DEVICE_PAUSE;
-// printf ("CONTROLSTART!\n");
+// fprintf (stderr, "CONTROLSTART!\n");
 		KeyboardStroke[ControlStart] = FALSE;
 	}
 	if (KeyboardStroke[ControlLeftShift])
 	{
 		InputState |= DEVICE_LEFTSHIFT;
-// printf ("LEFTSHIFT!\n");
+// fprintf (stderr, "LEFTSHIFT!\n");
 		KeyboardStroke[ControlLeftShift] = FALSE;
 	}
 	if (KeyboardStroke[ControlRightShift])
 	{
 		InputState |= DEVICE_RIGHTSHIFT;
-// printf ("RIGHTSHIFT!\n");
+// fprintf (stderr, "RIGHTSHIFT!\n");
 		KeyboardStroke[ControlRightShift] = FALSE;
 	}
 	
@@ -721,69 +721,69 @@ _get_joystick_state (INPUT_REF ref, INPUT_STATE InputState)
 #if 0
 	if (ref == JoystickInput[1] && 0)
 	{
-		//printf ("ref\n");
+		//fprintf (stderr, "ref\n");
 		
 		return(0);
 	}
 	
-// printf ("Half-implemented function activated: _get_joystick_state()\n");
+// fprintf (stderr, "Half-implemented function activated: _get_joystick_state()\n");
 
 	if (KeyboardDown[SDLK_LEFT])
 	{
 		SetInputXComponent (&InputState, -1);
-		//printf ("LEFT!\n");
+		//fprintf (stderr, "LEFT!\n");
 	}
 	if (KeyboardDown[SDLK_RIGHT])
 	{
 		SetInputXComponent (&InputState, 1);
-		//printf ("RIGHT!\n");
+		//fprintf (stderr, "RIGHT!\n");
 	}
 
 	if (KeyboardDown[SDLK_UP])
 	{
 		SetInputYComponent (&InputState, -1);
-		//printf ("UP!\n");
+		//fprintf (stderr, "UP!\n");
 	}
 	if (KeyboardDown[SDLK_DOWN])
 	{
 		SetInputYComponent (&InputState, 1);
-		//printf ("DOWN!\n");
+		//fprintf (stderr, "DOWN!\n");
 	}
 
 	if (KeyboardDown[ControlA])
 	{
 		InputState |= DEVICE_BUTTON1;
-		//printf ("BUTTON1!\n");
+		//fprintf (stderr, "BUTTON1!\n");
 	}
 	if (KeyboardDown[ControlB])
 	{
 		InputState |= DEVICE_BUTTON2;
-		//printf ("BUTTON2!\n");
+		//fprintf (stderr, "BUTTON2!\n");
 	}
 	if (KeyboardDown[ControlC])
 	{
 		InputState |= DEVICE_BUTTON3;
-		//printf ("BUTTON3!\n");
+		//fprintf (stderr, "BUTTON3!\n");
 	}
 	if (KeyboardDown[ControlX])
 	{
 		InputState |= DEVICE_EXIT;
-		//printf ("BUTTONX!\n");
+		//fprintf (stderr, "BUTTONX!\n");
 	}
 	if (KeyboardDown[ControlStart])
 	{
 		InputState |= DEVICE_PAUSE;
-		//printf ("CONTROLSTART!\n");
+		//fprintf (stderr, "CONTROLSTART!\n");
 	}
 	if (KeyboardDown[ControlLeftShift])
 	{
 		InputState |= DEVICE_LEFTSHIFT;
-		//printf ("LEFTSHIFT!\n");
+		//fprintf (stderr, "LEFTSHIFT!\n");
 	}
 	if (KeyboardDown[ControlRightShift])
 	{
 		InputState |= DEVICE_RIGHTSHIFT;
-		//printf ("RIGHTSHIFT!\n");
+		//fprintf (stderr, "RIGHTSHIFT!\n");
 	}
 #endif
 	
diff --git a/sc2/src/sc2code/libs/memory/w_memlib.c b/sc2/src/sc2code/libs/memory/w_memlib.c
index e6ab47753..473e520a9 100644
--- a/sc2/src/sc2code/libs/memory/w_memlib.c
+++ b/sc2/src/sc2code/libs/memory/w_memlib.c
@@ -92,10 +92,10 @@ static void Message(char *fmt, ...)
 		vsprintf(buffer, fmt, ap);
 		va_end(ap);
 
-		#ifndef FINAL
-		printf("%s\n", buffer);
-		//fflush(stdout);
-		#endif
+#ifndef FINAL
+		fprintf (stderr, "%s\n", buffer);
+		//fflush (stderr);
+#endif
 
 #if 0
 	if (GetToolFrame ())
@@ -147,10 +147,10 @@ static int MessageWithRetry(char *fmt, ...)
 		vsprintf(buffer, fmt, ap);
 		va_end(ap);
 
-		#ifndef FINAL
-		printf("%s\n", buffer);
-		//fflush(stdout);
-		#endif
+#ifndef FINAL
+		fprintf (stderr, "%s\n", buffer);
+		// fflush(stderr);
+#endif
 
 #if 0
 	if (GetToolFrame ())
@@ -254,8 +254,8 @@ MallocWithRetry(int bytes, char *diagStr)
 		if (ptr)
 			return (ptr);
 #ifndef FINAL
-printf("Malloc failed for %s. #Bytes %d.\n", diagStr, bytes);
-//fflush(stdout);
+		fprintf (stderr, "Malloc failed for %s. #Bytes %d.\n", diagStr, bytes);
+//		fflush (stderr);
 #endif
 		/* The user gets a chance to close other applications and try again. */
 
@@ -265,7 +265,7 @@ printf("Malloc failed for %s. #Bytes %d.\n", diagStr, bytes);
 			if (MessageWithRetry ("Really OK to stop tfbtool?"))
 			{
 				/* User says "die". */
-				printf ("Killed by the user (%s).\n", diagStr);
+				fprintf (stderr, "Killed by the user (%s).\n", diagStr);
 				exit (0);
 			}
 		}
@@ -299,13 +299,13 @@ mem_allocate (MEM_SIZE coreSize, MEM_FLAGS flags, MEM_PRIORITY priority,
 		if (flags & MEM_ZEROINIT)
 				memset (node->memory, 0, node->size);
 #ifdef LEAK_DEBUG
-if (leak_debug)
-	printf ("alloc %d: %08x, %lu\n", (int) node->handle, (int) node->memory,
-					node->size);
-if (node->handle == leak_idx && node->size == leak_size)
-	node = node;
-if (node->size == leak_size)
-	node = node;
+		if (leak_debug)
+			fprintf (stderr, "alloc %d: %08x, %lu\n", (int) node->handle,
+					(int) node->memory, node->size);
+		if (node->handle == leak_idx && node->size == leak_size)
+			node = node;
+		if (node->size == leak_size)
+			node = node;
 #endif /* LEAK_DEBUG */
 
 		ClearSemaphore (_MemorySem);
@@ -431,9 +431,10 @@ mem_uninit(void)
 	{
 		if (extents[i].handle != -1)
 		{
-printf ("LEAK: unreleased extent %d: %08x, %lu\n",
-		extents[i].handle, (unsigned int) extents[i].memory, extents[i].size);
-fflush (stdout);
+			fprintf (stderr, "LEAK: unreleased extent %d: %08x, %lu\n",
+					extents[i].handle, (unsigned int) extents[i].memory,
+					extents[i].size);
+			fflush (stderr);
 			extents[i].handle = -1;
 			if (extents[i].memory)
 			{
@@ -482,14 +483,15 @@ mem_release(MEM_HANDLE h)
 
 	--h;
 	if (h < 0 || h >= MAX_EXTENTS)
-		printf("LEAK: attempt to release invalid extent %d\n", h);
+		fprintf (stderr, "LEAK: attempt to release invalid extent %d\n", h);
 	else if (extents[h].handle == -1)
-		printf("LEAK: attempt to release unallocated extent %d\n",h);
+		fprintf (stderr, "LEAK: attempt to release unallocated extent %d\n",h);
 	else if (extents[h].refcount == 0)
 	{
 #ifdef LEAK_DEBUG
-if (leak_debug) printf ("free %d: %08x\n",
-		extents[h].handle, (unsigned int) extents[h].memory);
+		if (leak_debug)
+			fprintf (stderr, "free %d: %08x\n",
+					extents[h].handle, (unsigned int) extents[h].memory);
 #endif
 		if (extents[h].memory)
 		{
diff --git a/sc2/src/sc2code/libs/resource/filecntl.c b/sc2/src/sc2code/libs/resource/filecntl.c
index abf5dcee6..259247be8 100644
--- a/sc2/src/sc2code/libs/resource/filecntl.c
+++ b/sc2/src/sc2code/libs/resource/filecntl.c
@@ -133,9 +133,9 @@ if (fp == (FILE *)~0)
 #else
 	{
 		struct stat sb;
-			if (fstat(fileno(fp), &sb) == -1)
-				return 1;
-			return sb.st_size;
+		if (fstat(fileno(fp), &sb) == -1)
+			return 1;
+		return sb.st_size;
 	}
 #endif
 }
diff --git a/sc2/src/sc2code/libs/resource/getres.c b/sc2/src/sc2code/libs/resource/getres.c
index f0e97dddd..adbe44a23 100644
--- a/sc2/src/sc2code/libs/resource/getres.c
+++ b/sc2/src/sc2code/libs/resource/getres.c
@@ -173,12 +173,13 @@ load_package (INDEX_HEADERPTR ResHeaderPtr, RES_PACKAGE res_package)
 	if ((hList = AllocResourceHandleList (
 			num_types, num_instances
 			)) == NULL_HANDLE)
-{
+	{
 #ifdef DEBUG
-printf ("Unable to allocate resource handle list <%d, %d>\n", num_types, num_instances);
+		fprintf (stderr, "Unable to allocate resource handle list <%d, %d>\n",
+				num_types, num_instances);
 #endif /* DEBUG */
 		return (NULL_HANDLE);
-}
+	}
 
 	LockResourceHandleList (ResHeaderPtr, hList, res_package,
 			&ResourceHandleListPtr, &TypeEncodePtr, &DataPtr);
@@ -285,8 +286,10 @@ printf ("Unable to allocate resource handle list <%d, %d>\n", num_types, num_ins
 					if (hData && IsIndexType (ResHeaderPtr, type))
 						DanglingOpen = FALSE;
 #ifdef DEBUG
-if (hData == 0)
-printf ("fp = 0x%08lx(%d), type = %u, file_offs = %lu, len = %lu\n", fp, DanglingOpen, type, file_offs, data_len);
+					if (hData == 0)
+						fprintf (stderr, "fp = 0x%08lx(%d), type = %u, "
+								"file_offs = %lu, len = %lu\n", fp,
+								DanglingOpen, type, file_offs, data_len);
 #endif /* DEBUG */
 				}
 				file_offs += data_len;
@@ -297,15 +300,17 @@ printf ("fp = 0x%08lx(%d), type = %u, file_offs = %lu, len = %lu\n", fp, Danglin
 
 				fp = OpenResFile (file_buf, "rb");
 				if (fp == NULL)
+				{
 #if 1 // def DEBUG
-printf ("Can't open '%s'\n", file_buf)
+					fprintf (stderr, "Can't open '%s'\n", file_buf);
 #endif /* DEBUG */
-					;
+				}
 				else
 				{
 					data_len = LengthResFile (fp);
 #ifndef PACKAGING
-printf ("\t'%s' -- %lu bytes\n", file_buf, data_len);
+					fprintf (stderr, "\t'%s' -- %lu bytes\n", file_buf,
+							data_len);
 #endif /* PACKAGING */
 					if (data_len == 0)
 						hData = NULL_HANDLE;
@@ -316,7 +321,9 @@ printf ("\t'%s' -- %lu bytes\n", file_buf, data_len);
 				}
 			}
 #ifdef DEBUG
-if (hData == 0) printf ("Can't create data for '%s' <%lu>\n", file_buf, data_len);
+			if (hData == 0)
+				fprintf (stderr, "Can't create data for '%s' <%lu>\n",
+						file_buf, data_len);
 #endif /* DEBUG */
 
 			DataPtr[0] = LOBYTE (hData);
@@ -340,7 +347,7 @@ if (hData == 0) printf ("Can't create data for '%s' <%lu>\n", file_buf, data_len
 	if (num_instances == 0)
 	{
 #ifdef DEBUG
-printf ("Nothing in package!\n");
+		fprintf (stderr, "Nothing in package!\n");
 #endif /* DEBUG */
 		FreeResourceHandleList (hList);
 		hList = NULL_HANDLE;
@@ -364,12 +371,13 @@ GetResource (RESOURCE res)
 
 	ResHeaderPtr = _get_current_index_header ();
 	if (!ValidResource (ResHeaderPtr, res))
-{
+	{
 #ifdef DEBUG
-if (res) printf ("0x%08lx is not a valid resource!\n", res);
+		if (res)
+			fprintf (stderr, "0x%08lx is not a valid resource!\n", res);
 #endif /* DEBUG */
 		return (NULL_HANDLE);
-}
+	}
 
 	res_package = GET_PACKAGE (res);
 
@@ -380,12 +388,12 @@ if (res) printf ("0x%08lx is not a valid resource!\n", res);
 	else
 	{
 		if ((hList = load_package (ResHeaderPtr, res_package)) == NULL_HANDLE)
-{
+		{
 #ifdef DEBUG
-printf ("Unable to load package %u\n", res_package);
+			fprintf (stderr, "Unable to load package %u\n", res_package);
 #endif /* DEBUG */
 			return (NULL_HANDLE);
-}
+		}
 
 		ResHeaderPtr->PackageList[res_package - 1].flags_and_data_loc =
 				MAKE_DWORD (hList, 0);
@@ -407,7 +415,8 @@ printf ("Unable to load package %u\n", res_package);
 	UnlockResourceHandleList (hList);
 
 #ifdef DEBUG
-if (hData == 0) printf ("No data for res 0x%08lx\n", res);
+	if (hData == 0)
+		fprintf (stderr, "No data for res 0x%08lx\n", res);
 #endif /* DEBUG */
 	return (hData);
 }
diff --git a/sc2/src/sc2code/libs/resource/resinit.c b/sc2/src/sc2code/libs/resource/resinit.c
index d2b82bb19..c043551f9 100644
--- a/sc2/src/sc2code/libs/resource/resinit.c
+++ b/sc2/src/sc2code/libs/resource/resinit.c
@@ -320,31 +320,31 @@ CloseResourceIndex (MEM_HANDLE hRH)
 
 		ResHeaderPtr = LockResourceHeader (hRH);
 #ifdef DEBUG
-{
-COUNT i;
+		{
+			COUNT i;
 
-for (i = 0; i < ResHeaderPtr->num_packages; ++i)
-{
-	UWORD hi;
+			for (i = 0; i < ResHeaderPtr->num_packages; ++i)
+			{
+				UWORD hi;
 
-	hi = HIWORD (ResHeaderPtr->PackageList[i].flags_and_data_loc);
-	if (HIBYTE (hi) == 0)
-	{
-		MEM_HANDLE hList;
-		RES_HANDLE_LISTPTR ResourceHandleListPtr;
-		ENCODEPTR TypeEncodePtr;
-		DATAPTR DataPtr;
+				hi = HIWORD (ResHeaderPtr->PackageList[i].flags_and_data_loc);
+				if (HIBYTE (hi) == 0)
+				{
+					MEM_HANDLE hList;
+					RES_HANDLE_LISTPTR ResourceHandleListPtr;
+					ENCODEPTR TypeEncodePtr;
+					DATAPTR DataPtr;
 
-		hList = (MEM_HANDLE)LOWORD (
-				ResHeaderPtr->PackageList[i].flags_and_data_loc);
-		LockResourceHandleList (ResHeaderPtr, hList, i + 1,
-				&ResourceHandleListPtr, &TypeEncodePtr, &DataPtr);
-		printf ("Package %u has %u instances left\n",
-				i + 1, ResourceHandleListPtr->num_valid_handles);
-		UnlockResourceHandleList (hList);
-	}
-}
-}
+					hList = (MEM_HANDLE)LOWORD (
+							ResHeaderPtr->PackageList[i].flags_and_data_loc);
+					LockResourceHandleList (ResHeaderPtr, hList, i + 1,
+							&ResourceHandleListPtr, &TypeEncodePtr, &DataPtr);
+					fprintf (stderr, "Package %u has %u instances left\n",
+							i + 1, ResourceHandleListPtr->num_valid_handles);
+					UnlockResourceHandleList (hList);
+				}
+			}
+		}
 #endif /* DEBUG */
 
 		_sub_index_list (hRH);
diff --git a/sc2/src/sc2code/libs/sound/sdl/modfuncs.c b/sc2/src/sc2code/libs/sound/sdl/modfuncs.c
index 8b5cb99a0..1e1fe557c 100644
--- a/sc2/src/sc2code/libs/sound/sdl/modfuncs.c
+++ b/sc2/src/sc2code/libs/sound/sdl/modfuncs.c
@@ -78,7 +78,7 @@ _GetSoundBankData (FILE *fp, DWORD length)
 		}
 		else
 		{
-				printf("_GetSoundBankData: Bad file!\n");
+				fprintf (stderr, "_GetSoundBankData: Bad file!\n");
 		}
 
 		if (ftell (fp) - opos >= length)
diff --git a/sc2/src/sc2code/libs/sound/sdl/sound.c b/sc2/src/sc2code/libs/sound/sdl/sound.c
index 50cfd2c53..bc6dcc5d0 100644
--- a/sc2/src/sc2code/libs/sound/sdl/sound.c
+++ b/sc2/src/sc2code/libs/sound/sdl/sound.c
@@ -32,13 +32,13 @@ TFB_InitSound (int driver, int flags, int frequency)
 
 	if ((SDL_InitSubSystem(SDL_INIT_AUDIO)) == -1)
 	{
-		printf("Couldn't initialize audio subsystem: %s\n", SDL_GetError());
+		fprintf (stderr, "Couldn't initialize audio subsystem: %s\n", SDL_GetError());
 		exit(-1);
 	}
 
 	if (Mix_OpenAudio(frequency, AUDIO_S16, 2, 4096))
 	{
-		printf ("Unable to open audio!\n");
+		fprintf (stderr, "Unable to open audio!\n");
 		exit (-1);
 	}
 
@@ -47,16 +47,16 @@ TFB_InitSound (int driver, int flags, int frequency)
 	SDL_AudioDriverName (SoundcardName, sizeof (SoundcardName));
 
 	Mix_QuerySpec (&audio_rate, &audio_format, &audio_channels);
-	printf ("Opened %s at %d Hz %d bit %s, %d bytes audio buffer\n",
+	fprintf (stderr, "Opened %s at %d Hz %d bit %s, %d bytes audio buffer\n",
 			SoundcardName, audio_rate, audio_format & 0xFF,
 			audio_channels > 1 ? "stereo" : "mono", 4096);
 
 	MIX_VERSION (&compile_version);
-	printf ("Compiled with SDL_mixer version: %d.%d.%d\n",
+	fprintf (stderr, "Compiled with SDL_mixer version: %d.%d.%d\n",
 			compile_version.major,
 			compile_version.minor,
 			compile_version.patch);
-	printf ("Running with SDL_mixer version: %d.%d.%d\n",
+	fprintf (stderr, "Running with SDL_mixer version: %d.%d.%d\n",
 			Mix_Linked_Version()->major,
 			Mix_Linked_Version()->minor,
 			Mix_Linked_Version()->patch);
@@ -95,7 +95,7 @@ GetSoundData(char* data) //Returns the data size.
 {
 	int ret;
 
-	printf("Unimplemented function activated: GetSoundData()\n");
+	fprintf (stderr, "Unimplemented function activated: GetSoundData()\n");
 	ret = 0;
 	return (ret);
 }
@@ -107,7 +107,7 @@ GetSoundInfo(int* length, int* offset)
 {
 	int ret;
 
-	printf ("Unimplemented function activated: GetSoundInfo()\n");
+	fprintf (stderr, "Unimplemented function activated: GetSoundInfo()\n");
 	ret = 0;
 	return (ret);
 }
@@ -117,7 +117,7 @@ BOOLEAN
 ChannelPlaying(COUNT WhichChannel)
 		// SDL will have a nice interface for this, I hope.
 {
-	// printf("Unimplemented function activated: ChannelPlaying()\n");
+	// fprintf (stderr, "Unimplemented function activated: ChannelPlaying()\n");
 	return ((BOOLEAN) Mix_Playing (WhichChannel));
 }
 
@@ -167,7 +167,7 @@ GetSampleLength (SOUND sound)
 	Chunk = (Mix_Chunk *) sound;
 	ret = 0;  // Chunk->alen;
 
-// printf ("Maybe Implemented function activated: GetSampleLength()\n");
+// fprintf (stderr, "Maybe Implemented function activated: GetSampleLength()\n");
 	return(ret);
 }
 
@@ -176,7 +176,7 @@ void
 SetChannelRate (COUNT channel, DWORD rate_hz, unsigned char priority)
 		// in hz
 {
-// printf ("Unimplemented function activated: SetChannelRate()\n");
+// fprintf (stderr, "Unimplemented function activated: SetChannelRate()\n");
 }
 
 // Status: Unimplemented
@@ -185,7 +185,7 @@ GetSampleRate (SOUND sound)
 {
 	COUNT ret;
 
-// printf("Unimplemented function activated: GetSampleRate()\n");
+// fprintf (stderr, "Unimplemented function activated: GetSampleRate()\n");
 	ret=0;
 	return(ret);
 }
@@ -196,7 +196,7 @@ SetChannelVolume (COUNT channel, COUNT volume, BYTE priority)
 		// I wonder what this whole priority business is...
 		// I can probably ignore it.
 {
-// printf ("Unimplemented function activated: SetChannelVolume()\n");
+// fprintf (stderr, "Unimplemented function activated: SetChannelVolume()\n");
 }
 
 //Status: Ignored
@@ -206,7 +206,7 @@ InitSound (int argc, char* argv[])
 {
 	BOOLEAN ret;
 
-// printf("Unimplemented function activated: InitSound()\n");
+// fprintf (stderr, "Unimplemented function activated: InitSound()\n");
 	ret = TRUE;
 	return (ret);
 }
@@ -215,7 +215,7 @@ InitSound (int argc, char* argv[])
 void
 UninitSound ()  //Maybe I should call StopSound() first?
 {
-	//printf("Unimplemented function activated: UninitSound()\n");
+//	fprintf (stderr, "Unimplemented function activated: UninitSound()\n");
 }
 
 #endif
diff --git a/sc2/src/sc2code/load.c b/sc2/src/sc2code/load.c
index 5bf65f7a4..b8dad0974 100644
--- a/sc2/src/sc2code/load.c
+++ b/sc2/src/sc2code/load.c
@@ -152,7 +152,7 @@ LoadGame (COUNT which_game, SUMMARY_DESC *summary_desc)
 		cread ((PBYTE)&num_links, sizeof (num_links), 1, fh);
 		{
 #ifdef DEBUG
-printf ("EVENTS:\n");
+			fprintf (stderr, "EVENTS:\n");
 #endif /* DEBUG */
 			while (num_links--)
 			{
@@ -165,11 +165,11 @@ printf ("EVENTS:\n");
 				cread ((PBYTE)EventPtr, sizeof (*EventPtr), 1, fh);
 
 #ifdef DEBUG
-printf ("\t%u/%u/%u -- %u\n",
-EventPtr->month_index,
-EventPtr->day_index,
-EventPtr->year_index,
-EventPtr->func_index);
+			fprintf (stderr, "\t%u/%u/%u -- %u\n",
+					EventPtr->month_index,
+					EventPtr->day_index,
+					EventPtr->year_index,
+					EventPtr->func_index);
 #endif /* DEBUG */
 				UnlockEvent (hEvent);
 				PutEvent (hEvent);
diff --git a/sc2/src/sc2code/planets/calc.c b/sc2/src/sc2code/planets/calc.c
index eea9aa551..b56a6242e 100644
--- a/sc2/src/sc2code/planets/calc.c
+++ b/sc2/src/sc2code/planets/calc.c
@@ -232,26 +232,27 @@ DoPlanetaryAnalysis (SYSTEM_INFOPTR SysInfoPtr, PPLANET_DESC
 	CalcSysInfo (SysInfoPtr);
 
 #ifdef DEBUG
-{
-	BYTE ColorClass[6][8] = {
-		"Red",
-		"Orange",
-		"Yellow",
-		"Green",
-		"Blue",
-		"White",
-		} ;
-	BYTE SizeName[3][12] = {
-		"Dwarf",
-		"Giant",
-		"Supergiant",
-		};
+	{
+		BYTE ColorClass[6][8] = {
+				"Red",
+				"Orange",
+				"Yellow",
+				"Green",
+				"Blue",
+				"White",
+				};
+		BYTE SizeName[3][12] = {
+				"Dwarf",
+				"Giant",
+				"Supergiant",
+				};
 
-	printf ("%s %s\n",
+		fprintf (stderr, "%s %s\n",
 			ColorClass[SysInfoPtr->StarIntensity],
 			SizeName[SysInfoPtr->StarSize]);
-	printf ("Stellar Energy: %d (sol = 3)\n", SysInfoPtr->StarEnergy);
-}
+		fprintf (stderr, "Stellar Energy: %d (sol = 3)\n",
+				SysInfoPtr->StarEnergy);
+	}
 #endif /* DEBUG */
 
 	{
@@ -331,62 +332,62 @@ DoPlanetaryAnalysis (SYSTEM_INFOPTR SysInfoPtr, PPLANET_DESC
 
 #ifdef DEBUG
 		radius = (SIZE)((DWORD)UNSCALE_RADIUS (radius) * 100 / UNSCALE_RADIUS (EARTH_RADIUS));
-		printf ("\tOrbital Distance   : %d.%02d AU\n", radius / 100, radius % 100);
-		//printf ("\tPlanetary Mass : %d.%02d Earth masses\n",
+		fprintf (stderr, "\tOrbital Distance   : %d.%02d AU\n", radius / 100, radius % 100);
+		//fprintf (stderr, "\tPlanetary Mass : %d.%02d Earth masses\n",
 		// SysInfoPtr->PlanetInfo.PlanetMass / 100,
 		// SysInfoPtr->PlanetInfo.PlanetMass % 100);
-		printf ("\tPlanetary Radius   : %d.%02d Earth radii\n",
+		fprintf (stderr, "\tPlanetary Radius   : %d.%02d Earth radii\n",
 				SysInfoPtr->PlanetInfo.PlanetRadius / 100,
 				SysInfoPtr->PlanetInfo.PlanetRadius % 100);
-		printf ("\tSurface Gravity: %d.%02d gravities\n",
+		fprintf (stderr, "\tSurface Gravity: %d.%02d gravities\n",
 				SysInfoPtr->PlanetInfo.SurfaceGravity / 100,
 				SysInfoPtr->PlanetInfo.SurfaceGravity % 100);
-		printf ("\tSurface Temperature: %d degrees C\n",
+		fprintf (stderr, "\tSurface Temperature: %d degrees C\n",
 				SysInfoPtr->PlanetInfo.SurfaceTemperature );
-		printf ("\tAxial Tilt : %d degrees\n",
+		fprintf (stderr, "\tAxial Tilt : %d degrees\n",
 				abs (SysInfoPtr->PlanetInfo.AxialTilt));
-		printf ("\tTectonics : Class %u\n",
+		fprintf (stderr, "\tTectonics : Class %u\n",
 				SysInfoPtr->PlanetInfo.Tectonics + 1);
-		printf ("\tAtmospheric Density: %u.%02u ",
+		fprintf (stderr, "\tAtmospheric Density: %u.%02u ",
 				SysInfoPtr->PlanetInfo.AtmoDensity / EARTH_ATMOSPHERE,
 				(SysInfoPtr->PlanetInfo.AtmoDensity * 100 / EARTH_ATMOSPHERE) % 100);
 		if (SysInfoPtr->PlanetInfo.AtmoDensity == 0)
 		{
-			printf ("(Vacuum)\n");
+			fprintf (stderr, "(Vacuum)\n");
 		}
 		else if (SysInfoPtr->PlanetInfo.AtmoDensity < THIN_ATMOSPHERE)
 		{
-			printf ("(Thin)\n");
+			fprintf (stderr, "(Thin)\n");
 		}
 		else if (SysInfoPtr->PlanetInfo.AtmoDensity < NORMAL_ATMOSPHERE)
 		{
-			printf ("(Normal)\n");
+			fprintf (stderr, "(Normal)\n");
 		}
 		else if (SysInfoPtr->PlanetInfo.AtmoDensity < THICK_ATMOSPHERE)
 		{
-			printf ("(Thick)\n");
+			fprintf (stderr, "(Thick)\n");
 		}
 		else if (SysInfoPtr->PlanetInfo.AtmoDensity < SUPER_THICK_ATMOSPHERE)
 		{
-			printf ("(Super thick)\n");
+			fprintf (stderr, "(Super thick)\n");
 		}
 		else
 		{
-			printf ("(Gas Giant atmosphere)\n");
+			fprintf (stderr, "(Gas Giant atmosphere)\n");
 		}
 
-		printf ("\tWeather   : Class %u\n",
+		fprintf (stderr, "\tWeather   : Class %u\n",
 				SysInfoPtr->PlanetInfo.Weather + 1);
 
 		if (SysInfoPtr->PlanetInfo.RotationPeriod >= 480)
 		{
-			printf ("\tLength of day  : %d.%d Earth days\n",
+			fprintf (stderr, "\tLength of day  : %d.%d Earth days\n",
 					SysInfoPtr->PlanetInfo.RotationPeriod / 240,
 					SysInfoPtr->PlanetInfo.RotationPeriod % 240);
 		}
 		else
 		{
-			printf ("\tLength of day  : %d.%d Earth hours\n",
+			fprintf (stderr, "\tLength of day  : %d.%d Earth hours\n",
 					SysInfoPtr->PlanetInfo.RotationPeriod / 10,
 					SysInfoPtr->PlanetInfo.RotationPeriod % 10);
 		}
diff --git a/sc2/src/sc2code/planets/orbits.c b/sc2/src/sc2code/planets/orbits.c
index de9db15a1..0db400631 100644
--- a/sc2/src/sc2code/planets/orbits.c
+++ b/sc2/src/sc2code/planets/orbits.c
@@ -499,10 +499,10 @@ char scolor[] = {'B', 'G', 'O', 'R', 'W', 'Y'};
 	}
 
 #ifdef DEBUG
-GetClusterName (CurStarDescPtr, buf);
-printf ("cluster name = %s  color = %c type = %c\n", buf,
-		scolor[STAR_COLOR (CurStarDescPtr->Type)],
-		stype[STAR_TYPE (CurStarDescPtr->Type)]);
+	GetClusterName (CurStarDescPtr, buf);
+	fprintf (stderr, "cluster name = %s  color = %c type = %c\n", buf,
+			scolor[STAR_COLOR (CurStarDescPtr->Type)],
+			stype[STAR_TYPE (CurStarDescPtr->Type)]);
 #endif /* DEBUG */
 	GeneratingMoons = (BOOLEAN) (pBaseDesc == pSolarSysState->MoonDesc);
 	if (GeneratingMoons)
diff --git a/sc2/src/sc2code/planets/pl_stuff.c b/sc2/src/sc2code/planets/pl_stuff.c
index 1d5c7323b..92d24f1c8 100644
--- a/sc2/src/sc2code/planets/pl_stuff.c
+++ b/sc2/src/sc2code/planets/pl_stuff.c
@@ -238,12 +238,12 @@ build_steps ()
 	ystep[i] = 1;
 	
 #if 0
-y = 0;
-for (i = 0; y < (HEIGHT >> 1); i++)
-{
-	printf ("ystep[%ld] = %ld\n", i, ystep[i]);
-	y += ystep[i];
-}
+	y = 0;
+	for (i = 0; y < (HEIGHT >> 1); i++)
+	{
+		fprintf (stderr, "ystep[%ld] = %ld\n", i, ystep[i]);
+		y += ystep[i];
+	}
 #endif
 }
 
@@ -286,9 +286,9 @@ build_tables (int da)
 		
 		y += h;
 #if 0
-printf ("%ld: %ld  ", i, y);
-printf ("%ld,%ld -- ", x0[i] >> 16, y0[i] >> 16);
-printf ("%ld,%ld\n", x1[i] >> 16, y1[i] >> 16);
+		fprintf (stderr, "%ld: %ld  ", i, y);
+		fprintf (stderr, "%ld,%ld -- ", x0[i] >> 16, y0[i] >> 16);
+		fprintf (stderr, "%ld,%ld\n", x1[i] >> 16, y1[i] >> 16);
 #endif
 	}
 	
@@ -431,7 +431,7 @@ init_rotate_cels ()
 		}
 	}
 #if 0
-printf ("using %d cels for rotate\n", cur_ccb - plCCB);
+	fprintf (stderr, "using %d cels for rotate\n", cur_ccb - plCCB);
 #endif
 }
 #endif
@@ -515,9 +515,11 @@ RotatePlanet (int x, int dx, int dy)
 #endif
 		add_cel (pblack_circ_ccb);
 #ifdef KDEBUG
-printf ("CLEAR...\n");
-while (AnyButtonPress (FALSE));
-while (!AnyButtonPress (FALSE));
+		fprintf (stderr, "CLEAR...\n");
+		while (AnyButtonPress (FALSE))
+			;
+		while (!AnyButtonPress (FALSE))
+			;
 #endif /* KDEBUG */
    }
 
@@ -558,9 +560,11 @@ while (!AnyButtonPress (FALSE));
 	add_cels (first, cur_ccb - 1);
 
 #ifdef KDEBUG
-printf ("PLANET...\n");
-while (AnyButtonPress (FALSE));
-while (!AnyButtonPress (FALSE));
+	fprintf (stderr, "PLANET...\n");
+	while (AnyButtonPress (FALSE))
+		;
+	while (!AnyButtonPress (FALSE))
+		;
 #endif /* KDEBUG */
 	if (pcirc_ccb)
 	{
@@ -574,9 +578,11 @@ while (!AnyButtonPress (FALSE));
 #endif
 		add_cel (pcirc_ccb);
 #ifdef KDEBUG
-printf ("CLIP...\n");
-while (AnyButtonPress (FALSE));
-while (!AnyButtonPress (FALSE));
+		fprintf (stderr, "CLIP...\n");
+		while (AnyButtonPress (FALSE))
+			;
+		while (!AnyButtonPress (FALSE))
+			;
 #endif /* KDEBUG */
 	}
 	
@@ -592,9 +598,11 @@ while (!AnyButtonPress (FALSE));
 #endif
 		add_cel (pblur_ccb);
 #ifdef KDEBUG
-printf ("BLUR...\n");
-while (AnyButtonPress (FALSE));
-while (!AnyButtonPress (FALSE));
+		fprintf (stderr, "BLUR...\n");
+		while (AnyButtonPress (FALSE))
+			;
+		while (!AnyButtonPress (FALSE))
+			;
 #endif /* KDEBUG */
 	}
 	
@@ -610,9 +618,11 @@ while (!AnyButtonPress (FALSE));
 #endif
 		add_cel (pshadow_ccb);
 #ifdef KDEBUG
-printf ("SHADOW...\n");
-while (AnyButtonPress (FALSE));
-while (!AnyButtonPress (FALSE));
+		fprintf (stderr, "SHADOW...\n");
+		while (AnyButtonPress (FALSE))
+			;
+		while (!AnyButtonPress (FALSE))
+			;
 #endif /* KDEBUG */
 	}
 
@@ -641,10 +651,13 @@ while (!AnyButtonPress (FALSE));
 				
 		add_cel (pshield_ccb);
 #ifdef KDEBUG
-printf ("SHIELD...\n");
-while (AnyButtonPress (FALSE));
-while (!AnyButtonPress (FALSE));
-while (AnyButtonPress (FALSE));
+		fprintf (stderr, "SHIELD...\n");
+		while (AnyButtonPress (FALSE))
+			;
+		while (!AnyButtonPress (FALSE))
+			;
+		while (AnyButtonPress (FALSE))
+			;
 #endif /* KDEBUG */
 	}
 	
diff --git a/sc2/src/sc2code/planets/planscan.c b/sc2/src/sc2code/planets/planscan.c
index e2d65cf16..cc578a147 100644
--- a/sc2/src/sc2code/planets/planscan.c
+++ b/sc2/src/sc2code/planets/planscan.c
@@ -232,12 +232,13 @@ SetContextForeGroundColor (BUILD_COLOR (MAKE_RGB15 (0x1F, 0xA, 0xA), 0x0C));
 						++pscan_block->num_same_scans;
 					}
 #ifdef DEBUG
-printf ("<%d, %d>-<%d, %d>, %d, %d, %u%s\n",
-scan_array->start.x, scan_array->start.y,
-scan_array->end.x, scan_array->end.y,
-scan_array->xerror, scan_array->yerror,
-scan_array->num_dots & ~SAME_SCAN,
-(scan_array->num_dots & SAME_SCAN) ? ", SAME SCAN" : "");
+					fprintf (stderr, "<%d, %d>-<%d, %d>, %d, %d, %u%s\n",
+							scan_array->start.x, scan_array->start.y,
+							scan_array->end.x, scan_array->end.y,
+							scan_array->xerror, scan_array->yerror,
+							scan_array->num_dots & ~SAME_SCAN,
+							(scan_array->num_dots & SAME_SCAN) ?
+							", SAME SCAN" : "");
 #endif /* DEBUG */
 					++scan_array;
 
@@ -274,12 +275,12 @@ DrawPoint (&pt);
 				++pscan_block->num_same_scans;
 			}
 #ifdef DEBUG
-printf ("<%d, %d>-<%d, %d>, %d, %d, %u\n",
-scan_array->start.x, scan_array->start.y,
-scan_array->end.x, scan_array->end.y,
-scan_array->xerror, scan_array->yerror,
-scan_array->num_dots & ~SAME_SCAN,
-(scan_array->num_dots & SAME_SCAN) ? ", SAME SCAN" : "");
+			fprintf (stderr, "<%d, %d>-<%d, %d>, %d, %d, %u\n",
+					scan_array->start.x, scan_array->start.y,
+					scan_array->end.x, scan_array->end.y,
+					scan_array->xerror, scan_array->yerror,
+					scan_array->num_dots & ~SAME_SCAN,
+					(scan_array->num_dots & SAME_SCAN) ? ", SAME SCAN" : "");
 #endif /* DEBUG */
 			++scan_array;
 		}
@@ -296,12 +297,12 @@ scan_array->num_dots & ~SAME_SCAN,
 
 	pscan_block->num_scans = (COUNT)(scan_array - pscan_block->scan_base);
 #ifdef DEBUG
-{
-extern DWORD AnyButtonPress (BOOLEAN CheckSpecial);
-printf ("num_scans = %u\n", pscan_block->num_scans);
-while (!AnyButtonPress (TRUE))
-	;
-}
+	{
+		extern DWORD AnyButtonPress (BOOLEAN CheckSpecial);
+		fprintf (stderr, "num_scans = %u\n", pscan_block->num_scans);
+		while (!AnyButtonPress (TRUE))
+			;
+	}
 #endif /* DEBUG */
 }
 
diff --git a/sc2/src/sc2code/planets/solarsys.c b/sc2/src/sc2code/planets/solarsys.c
index 59ae21515..16ec823bb 100644
--- a/sc2/src/sc2code/planets/solarsys.c
+++ b/sc2/src/sc2code/planets/solarsys.c
@@ -389,7 +389,7 @@ CheckIntersect (BOOLEAN just_checking)
 	{
 		PlanetOffset = pCurDesc - pSolarSysState->PlanetDesc + 1;
 		MoonOffset = 1;
-//printf ("0: Planet %d, Moon %d\n", PlanetOffset, MoonOffset);
+//fprintf (stderr, "0: Planet %d, Moon %d\n", PlanetOffset, MoonOffset);
 		NewWaitPlanet = MAKE_WORD (PlanetOffset, MoonOffset);
 		if (pSolarSysState->WaitIntersect != (COUNT)~0
 				&& pSolarSysState->WaitIntersect != NewWaitPlanet)
@@ -405,11 +405,11 @@ ShowPlanet:
 			}
 
 #ifdef DEBUG
-printf ("Star index = %d, Planet index = %d, <%d, %d>\n",
-CurStarDescPtr - star_array,
-pCurDesc - pSolarSysState->PlanetDesc,
-pSolarSysState->SunDesc[0].location.x,
-pSolarSysState->SunDesc[0].location.y);
+			fprintf (stderr, "Star index = %d, Planet index = %d, <%d, %d>\n",
+					CurStarDescPtr - star_array,
+					pCurDesc - pSolarSysState->PlanetDesc,
+					pSolarSysState->SunDesc[0].location.x,
+					pSolarSysState->SunDesc[0].location.y);
 #endif /* DEBUG */
 			return;
 		}
@@ -441,7 +441,7 @@ pSolarSysState->SunDesc[0].location.y);
 			if (DrawablesIntersect (&ShipIntersect,
 					&PlanetIntersect, MAX_TIME_VALUE))
 			{
-//printf ("1: Planet %d, Moon %d\n", PlanetOffset, MoonOffset);
+//				fprintf (stderr, "1: Planet %d, Moon %d\n", PlanetOffset, MoonOffset);
 				NewWaitPlanet = MAKE_WORD (PlanetOffset, MoonOffset);
 				
 				if (pSolarSysState->WaitIntersect == (COUNT)~0)
@@ -1543,12 +1543,13 @@ GenerateRandomIP (BYTE control)
 		case GENERATE_ORBITAL:
 		{
 #ifdef DEBUG
-if (pSolarSysState->pOrbitalDesc->pPrevDesc == pSolarSysState->SunDesc)
-	printf ("Planet index = %d\n", pSolarSysState->pOrbitalDesc - pSolarSysState->PlanetDesc);
-else
-	printf ("Planet index = %d, Moon index = %d\n",
-			pSolarSysState->pOrbitalDesc->pPrevDesc - pSolarSysState->PlanetDesc,
-			pSolarSysState->pOrbitalDesc - pSolarSysState->MoonDesc);
+			if (pSolarSysState->pOrbitalDesc->pPrevDesc ==
+					pSolarSysState->SunDesc)
+				fprintf (stderr, "Planet index = %d\n", pSolarSysState->pOrbitalDesc - pSolarSysState->PlanetDesc);
+			else
+				fprintf (stderr, "Planet index = %d, Moon index = %d\n",
+						pSolarSysState->pOrbitalDesc->pPrevDesc - pSolarSysState->PlanetDesc,
+						pSolarSysState->pOrbitalDesc - pSolarSysState->MoonDesc);
 #endif /* DEBUG */
 			rand_val = DoPlanetaryAnalysis (
 					&pSolarSysState->SysInfo, pSolarSysState->pOrbitalDesc
diff --git a/sc2/src/sc2code/planets/surface.c b/sc2/src/sc2code/planets/surface.c
index 3ab2cf253..523646a61 100644
--- a/sc2/src/sc2code/planets/surface.c
+++ b/sc2/src/sc2code/planets/surface.c
@@ -73,7 +73,7 @@ CalcMineralDeposits (SYSTEM_INFOPTR SysInfoPtr, COUNT which_deposit)
 					);
 			SysInfoPtr->PlanetInfo.CurType = eptr->ElementType;
 #ifdef DEBUG
-			//printf ("\t\t%d units of %Fs\n",
+			//fprintf (stderr, "\t\t%d units of %Fs\n",
 				 //   SysInfoPtr->PlanetInfo.CurDensity,
 				  //  Elements[eptr->ElementType].name);
 #endif /* DEBUG */
@@ -236,8 +236,9 @@ CalcLifeForms (SYSTEM_INFOPTR SysInfoPtr, COUNT which_life)
 			} while (--num_types);
 		}
 #ifdef DEBUG
-else
-	printf ("It's dead, Jim! (%d >= %d)\n", life_var, SysInfoPtr->PlanetInfo.LifeChance);
+		else
+			fprintf (stderr, "It's dead, Jim! (%d >= %d)\n", life_var,
+				SysInfoPtr->PlanetInfo.LifeChance);
 #endif /* DEBUG */
 	}
 
diff --git a/sc2/src/sc2code/process.c b/sc2/src/sc2code/process.c
index 8ff3fce4f..49c1cf853 100644
--- a/sc2/src/sc2code/process.c
+++ b/sc2/src/sc2code/process.c
@@ -226,7 +226,7 @@ CalcReduction (SIZE dx, SIZE dy)
 #else
 	COUNT next_reduction;
 #ifdef KDEBUG
-printf ("CalcReduction:\n");
+	fprintf (stderr, "CalcReduction:\n");
 #endif
 	if (LOBYTE (GLOBAL (CurrentActivity)) > IN_ENCOUNTER)
 		return (1 << ZOOM_SHIFT);
@@ -252,7 +252,7 @@ printf ("CalcReduction:\n");
 			&& LOBYTE (GLOBAL (CurrentActivity)) == IN_LAST_BATTLE)
 		next_reduction = (2 << ZOOM_SHIFT);
 #ifdef KDEBUG
-printf ("CalcReduction: exit\n");
+	fprintf (stderr, "CalcReduction: exit\n");
 #endif
 #endif
 
@@ -273,7 +273,7 @@ CalcView (PPOINT pNewScrollPt, register SIZE next_reduction,
 	VIEW_STATE view_state;
 
 #ifdef KDEBUG
-printf ("CalcView:\n");
+	fprintf (stderr, "CalcView:\n");
 #endif
 	dx = ((COORD)(LOG_SPACE_WIDTH >> 1) - pNewScrollPt->x);
 	dy = ((COORD)(LOG_SPACE_HEIGHT >> 1) - pNewScrollPt->y);
@@ -339,7 +339,7 @@ printf ("CalcView:\n");
 	*pdy = dy;
 
 #ifdef KDEBUG
-printf ("CalcView: exit\n");
+	fprintf (stderr, "CalcView: exit\n");
 #endif
 	return (view_state);
 }
@@ -387,7 +387,8 @@ ProcessCollisions (HELEMENT hSuccElement, register ELEMENTPTR ElementPtr,
 						&& !((state_flags | test_state_flags) & FINITE_LIFE))
 				{
 #ifdef DEBUG
-printf ("BAD NEWS 0x%x <--> 0x%x\n", ElementPtr, TestElementPtr);
+					fprintf (stderr, "BAD NEWS 0x%x <--> 0x%x\n", ElementPtr,
+							TestElementPtr);
 #endif /* DEBUG */
 					if (state_flags & COLLISION)
 					{
@@ -508,7 +509,8 @@ printf ("BAD NEWS 0x%x <--> 0x%x\n", ElementPtr, TestElementPtr);
 				POINT SavePt, TestSavePt;
 
 #ifdef DEBUG
-printf ("0x%x <--> 0x%x at %u\n", ElementPtr, TestElementPtr, time_val);
+				fprintf (stderr, "0x%x <--> 0x%x at %u\n", ElementPtr,
+						TestElementPtr, time_val);
 #endif /* DEBUG */
 				SavePt = ElementPtr->IntersectControl.EndPoint;
 				TestSavePt = TestElementPtr->IntersectControl.EndPoint;
@@ -529,7 +531,8 @@ printf ("0x%x <--> 0x%x at %u\n", ElementPtr, TestElementPtr, time_val);
 					test_state_flags = TestElementPtr->state_flags;
 
 #ifdef DEBUG
-printf ("PROCESSING 0x%x <--> 0x%x at %u\n", ElementPtr, TestElementPtr, time_val);
+					fprintf (stderr, "PROCESSING 0x%x <--> 0x%x at %u\n",
+							ElementPtr, TestElementPtr, time_val);
 #endif /* DEBUG */
 					if (test_state_flags & PLAYER_SHIP)
 					{
@@ -629,7 +632,7 @@ PreProcessQueue (PSIZE pscroll_x, PSIZE pscroll_y)
 	COUNT ships_alive;
 
 #ifdef KDEBUG
-printf ("PreProcess:\n");
+	fprintf (stderr, "PreProcess:\n");
 #endif
 	num_ships = (LOBYTE (battle_counter) ? 1 : 0)
 			+ (HIBYTE (battle_counter) ? 1 : 0);
@@ -733,7 +736,8 @@ printf ("PreProcess:\n");
 #endif
 					min_reduction = reduction;
 			}
-//printf ("dx = %d dy = %d min_red = %d max_red = %d\n", dx, dy, min_reduction, max_reduction);
+//			fprintf (stderr, "dx = %d dy = %d min_red = %d max_red = %d\n",
+//					dx, dy, min_reduction, max_reduction);
 		}
 
 		UnlockElement (hElement);
@@ -753,7 +757,7 @@ printf ("PreProcess:\n");
 #endif
 
 #ifdef KDEBUG
-printf ("PreProcess: exit\n");
+	fprintf (stderr, "PreProcess: exit\n");
 #endif
 	return (CalcView (&Origin, min_reduction, pscroll_x, pscroll_y, ships_alive));
 }
@@ -808,7 +812,7 @@ PostProcessQueue (register VIEW_STATE view_state, register SIZE scroll_x,
 	register HELEMENT hElement;
 
 #ifdef KDEBUG
-printf ("PostProcess:\n");
+	fprintf (stderr, "PostProcess:\n");
 #endif
 #ifdef OLD_ZOOM
 	reduction = (BYTE)(GLOBAL (cur_state) + ONE_SHIFT);
@@ -998,7 +1002,7 @@ printf ("PostProcess:\n");
 		hElement = hNextElement;
 	}
 #ifdef KDEBUG
-printf ("PostProcess: exit\n");
+	fprintf (stderr, "PostProcess: exit\n");
 #endif
 }
 
diff --git a/sc2/src/sc2code/save.c b/sc2/src/sc2code/save.c
index 719864584..510064b51 100644
--- a/sc2/src/sc2code/save.c
+++ b/sc2/src/sc2code/save.c
@@ -292,11 +292,11 @@ RetrySave:
 			mem_release (h);
 
 			FreeSC2Data ();
-//printf ("Insufficient room for save buffers -- RETRYING\n");
+//			fprintf (stderr, "Insufficient room for save buffers -- RETRYING\n");
 			goto RetrySave;
 		}
-//else
-//printf ("Insufficient room for save buffers -- GIVING UP!\n");
+//		else
+//			fprintf (stderr, "Insufficient room for save buffers -- GIVING UP!\n");
 	}
 	else
 	{
@@ -437,7 +437,7 @@ RetrySave:
 		flen = cclose (fh);
 
 		sprintf (buf, "starcon2.%02u", which_game);
-//printf ("'%s' is %lu bytes long\n", buf, flen + sizeof (*summary_desc));
+//		fprintf (stderr, "'%s' is %lu bytes long\n", buf, flen + sizeof (*summary_desc));
 		if (flen && (out_fp = (PVOID)OpenResFile (buf, "wb")))
 		{
 			PrepareSummary (summary_desc);
diff --git a/sc2/src/sc2code/starcon.c b/sc2/src/sc2code/starcon.c
index fc76a7358..980846b71 100644
--- a/sc2/src/sc2code/starcon.c
+++ b/sc2/src/sc2code/starcon.c
@@ -880,7 +880,7 @@ while (--ac > 0)
 	{
 		extern BOOLEAN StartGame (void);
 
-		printf("We've loaded the Kernel\n");
+		fprintf (stderr, "We've loaded the Kernel\n");
 
 // OpenJournal ();
 		while (StartGame ())
@@ -936,19 +936,19 @@ sc = _simple_count;
 
 					ExploreSolarSys ();
 #ifdef TESTING
-if (!(GLOBAL (CurrentActivity) & (CHECK_ABORT | CHECK_LOAD))
-&& GLOBAL_SIS (CrewEnlisted) != (COUNT)~0)
-{
-if (!(GLOBAL (CurrentActivity) & START_ENCOUNTER)
-		&& (CurStarDescPtr = FindStar (NULL_PTR,
-		&GLOBAL (autopilot), 0, 0)))
-{
-	GLOBAL (autopilot.x) = ~0;
-	GLOBAL (autopilot.y) = ~0;
-	GLOBAL (ShipStamp.frame) = 0;
-	GLOBAL (CurrentActivity) |= START_INTERPLANETARY;
-}
-}
+					if (!(GLOBAL (CurrentActivity) & (CHECK_ABORT | CHECK_LOAD))
+							&& GLOBAL_SIS (CrewEnlisted) != (COUNT)~0)
+					{
+						if (!(GLOBAL (CurrentActivity) & START_ENCOUNTER)
+								&& (CurStarDescPtr = FindStar (NULL_PTR,
+								&GLOBAL (autopilot), 0, 0)))
+						{
+							GLOBAL (autopilot.x) = ~0;
+							GLOBAL (autopilot.y) = ~0;
+							GLOBAL (ShipStamp.frame) = 0;
+							GLOBAL (CurrentActivity) |= START_INTERPLANETARY;
+						}
+					}
 #endif //TESTING
 				}
 				else
@@ -967,7 +967,9 @@ if (!(GLOBAL (CurrentActivity) & START_ENCOUNTER)
 						Task_SetState (ArilouTask, TASK_EXIT);
 				}
 #ifdef TESTING
-if (_simple_count != sc) printf ("%d difference!\n", (int)_simple_count - (int)sc);
+				if (_simple_count != sc)
+					fprintf (stderr, "%d difference!\n",
+							(int)_simple_count - (int)sc);
 #endif //TESTING
 
 				SetSemaphore (GraphicsSem);
@@ -994,14 +996,14 @@ if (_simple_count != sc) printf ("%d difference!\n", (int)_simple_count - (int)s
 			UninitGameClock ();
 			UninitSIS ();
 		}
-// CloseJournal ();
+//		CloseJournal ();
+	}
+	else
+	{
+		fprintf (stderr, "Kernel failed to load!\n");
 	}
-		else
-		{
-				printf("Kernel failed to load!\n");
-		}
 	FreeKernel ();
 
 	(void) blah;  /* Satisfying compiler (unused parameter) */
-		return(0);
+	return(0);
 }
diff --git a/sc2/src/sc2code/test.c b/sc2/src/sc2code/test.c
index 42e9b8ea3..55840f479 100644
--- a/sc2/src/sc2code/test.c
+++ b/sc2/src/sc2code/test.c
@@ -12,7 +12,7 @@ main (int argc, char *argv[])
 	{
 		COUNT sound_index;
 
-		printf ("Sound #: ");
+		fprintf (stderr, "Sound #: ");
 		if (fscanf (stdin, "%u", &sound_index) != 1)
 			break;