reimplmenets the previous iteration with a brand new custom build system

libc/include/string.h

@@ -0,0 +1,22 @@
+#ifndef _STRING_H
+#define _STRING_H 1
+
+#include <sys/cdefs.h>
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int memcmp(const void*, const void*, size_t);
+void* memcpy(void* __restrict, const void* __restrict, size_t);
+void* memmove(void*, const void*, size_t);
+void* memset(void*, int, size_t);
+size_t strlen(const char*);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif