Initial C++ runtime work. Much more to do.

include/assert.h

@@ -0,0 +1,4 @@
+#include <sys/param.h>
+#include <sys/systm.h>
+
+#define assert( e ) KASSERT( (e), "Assertion failure" )

include/ctype.h

@@ -0,0 +1 @@
+#include <sys/ctype.h>

include/errno.h

@@ -0,0 +1 @@
+#include <sys/errno.h>

include/stddef.h

@@ -0,0 +1,23 @@
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+	#include <sys/types.h>
+	#include <sys/stddef.h>
+#ifdef __cplusplus
+}
+#endif
+
+#ifdef __cplusplus
+#undef NULL
+#define NULL (nullptr)
+#else
+#endif
+
+#ifdef __cplusplus
+namespace std
+{
+	using size_t= ::size_t;
+	using ptrdiff_t= ::ptrdiff_t;
+}
+#endif

include/stdint.h

@@ -0,0 +1 @@
+#include <sys/stdint.h>

include/stdlib.h

@@ -0,0 +1,33 @@
+#include <stddef.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include <sys/libkern.h>
+#include <sys/malloc.h>
+
+#ifdef __cplusplus
+}
+#endif
+
+#ifdef __cplusplus
+namespace cxxruntime
+{
+
+	extern void *malloc( std::size_t );
+	extern void *realloc(void *, std::size_t);
+	extern void free(void *);
+}
+#define __extern_c extern "C"
+#else
+#define __extern_c extern
+#endif
+
+__extern_c void *cxxruntime_malloc(size_t);
+
+__extern_c void *cxxruntime_realloc(void *, size_t);
+__extern_c void cxxruntime_free(void *);
+
+__extern_c char *cxxruntime_strdup(const char *);
+__extern_c void abort() __attribute__(( __noreturn__ ));