file/seek.c
#include "apue.h"
int
main(void)
{
	if (lseek(STDIN_FILENO, 0, SEEK_CUR) == -1)
		printf("cannot seek\n");
	else
		printf("seek OK\n");
	exit(0);
}3.1 测试能否对标准输入设置偏移量,布布扣,bubuko.com
原文地址:http://www.cnblogs.com/paullam/p/3849932.html