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unix环境编程 目录操作
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发布时间:2019-02-28

本文共 809 字,大约阅读时间需要 2 分钟。

???????POSIX???????????????????????????????????????

1. ??????

  • *mkdir(const char pathname, mode_t mode)

    ?????????0??????-1?

  • *rmdir(const char pathname)

    ??????????0??????-1?

  • **DIR opendir(const char pathname)

    ?????????DIR????????NULL?

  • **struct dirent readdir(DIR dp)

    ???????????????????struct dirent????????NULL?

  • *void rewinddir(DIR dp)

    ?????????????????0??????-1?

  • *int closedir(DIR dp)

    ?????????0??????-1?

  • *int chdir(const char pathname)

    ???????????0??????-1?

  • **char getcwd(char buf, size_t size)

    ?????????????buf??????NULL?

2. ?????????????

????????????????????????

  • ??opendir?????????DIR???
  • ??readdir???????????????
  • ????????????????????
  • 3. ?????

    ??????ls *.txt???????????????????????popen?pclose?????????????????

    4. ?????

    popen?pclose??????????fork??????????????????????

    ?????????????????????????? POSIX ?????

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