1#define _GNU_SOURCE 2#include <stdio.h> 3#include <stdarg.h> 4 5int asprintf(char **s, const char *fmt, ...) 6{ 7 int ret; 8 va_list ap; 9 va_start(ap, fmt); 10 ret = vasprintf(s, fmt, ap); 11 va_end(ap); 12 return ret; 13} 14