Feat: better screen formating & better project resstructure

include/stdmem.h

@@ -0,0 +1,23 @@
+#ifndef STDMEM_H
+#define STDMEM_H
+
+#include "types.h"
+
+static inline void *__memmove(void *dest, const void *src, uint64_t n) {
+    unsigned char *__d = (unsigned char *)dest;
+    const unsigned char *__s = (const unsigned char *)src;
+
+    if (__d < __s) {
+        for (unsigned long long i = 0; i < n; i++) {
+            __d[i] = __s[i];
+        }
+    } else {
+        for (unsigned long long i = n; i > 0; i--) {
+            __d[i - 1] = __s[i - 1];
+        }
+    }
+
+    return dest;
+}
+
+#endif // STDMEM_H