text: #include <stdio.h>
  #include <stdarg.h>
  #include "libc.h"
  
  int scanf(const char *restrict fmt, ...)
  {
  	int ret;
  	va_list ap;
  	va_start(ap, fmt);
  	ret = vscanf(fmt, ap);
  	va_end(ap);
  	return ret;
  }
  
  weak_alias(scanf,__isoc99_scanf);
  