develop/ktcc: Post-SVN tidy

- Move source code from `trunk` into program root directory.
- Update build files.

programs/develop/ktcc/libc.obj/include/assert.h

@@ -0,0 +1,13 @@
+#ifndef _ASSERT_H_
+#define _ASSERT_H_
+
+#include <stddef.h>
+#include <stdlib.h>
+
+#ifdef NDEBUG
+#define assert(x) (void)0
+#else
+#define assert(x) ((void)((x) || (__assert_fail(#x, __FILE__, __LINE__, __func__), 0)))
+#endif
+
+#endif // _ASSERT_H_