seek.c

UNIX高级环境编程（第二版）文件系统部分的程序

#include    <sys/types.h>
#include    "ourhdr.h"

int
main(void)
{
    if (lseek(STDIN_FILENO, 0, SEEK_CUR) == -1)
        printf("cannot seek\n");
    else
        printf("seek OK\n");
    exit(0);
}