test13.c

来自「华清远见应用培训班例程源码」· C语言 代码 · 共 16 行

#include <stdio.h>
#include <sys/types.h>
#include <sys/unistd.h>

int main()
{
  int ret;

  ret = alarm(50);
  pause();

  printf("I have been waken up.\n");

  return 0;
}