Split alCopy from printf file, add NON_MATCHING which are copied from SM64, and VERY CLOSE, and add a libc directory like SM64

include/libc/string.h

@@ -0,0 +1,10 @@
+#ifndef STRING_H
+#define STRING_H
+
+#include "PR/ultratypes.h"
+
+void *memcpy(void *dst, const void *src, size_t size);
+size_t strlen(const char *str);
+char *strchr(const char *str, s32 ch);
+
+#endif