develop/ktcc: Post-SVN tidy

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

programs/develop/ktcc/libc.obj/source/stdio/printf.c

@@ -0,0 +1,14 @@
+/* Copyright (C) 2021 Logaev Maxim (turbocat2001), GPLv2 */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+//#include "format_print.h"
+
+int printf(const char *format, ...)
+{
+  va_list arg;
+  va_start(arg, format);
+  return vprintf(format, arg);
+}