#ifndef _X_H_
#define _X_H_
+#include "ttt.h"
+
void
xasprintf (char **strp, const char *fmt, ...) TTT_PRINTF_FORMAT(2, 3);
FILE *
xfdopen (int filedes, const char *mode);
+FILE *
+xfreopen (const char *path, const char *mode, FILE *stream);
+
char *
xstrdup (const char *s);