Initial Commit

util.c

@@ -0,0 +1,11 @@
+#include <string.h>
+#include <stdlib.h>
+
+#include "util.h"
+
+char * strdup(char* s) {
+    char *d = calloc(1, strlen (s) + 1);
+    if (d == NULL) return NULL;
+    strcpy (d,s);
+    return d;
+}