lockauto.c

来自「该文件包含900个C语言编程的经典例子,供大家学习之用.希望对大家有帮助.」· C语言 代码 · 共 21 行

#include <stdio.h>
#include <io.h>
#include <share.h>
#include <fcntl.h>

void main(void)
 {
   int handle;

   if ((handle = sopen("\\AUTOEXEC.BAT", O_RDONLY, SH_DENYNO)) == -1)
     printf("Error opening AUTOEXEC.BAT\n");
   else
    {
      lock(handle, 0L, 5L);
      printf("File locked--press Enter to continue\n");
      getchar();
      close(handle);
    }
 }