Move code to the "src" subdirectory

src/util.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "util.h"
+
+char *String_Copy(char *str) {
+	char *strnew;
+	int len;
+	len = strlen(str);
+	strnew = malloc(len + 1);
+	strcpy(strnew, str);
+	return (strnew);
+}
+