1OPENDIR(3) Linux Programmer's Manual OPENDIR(3)
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6 opendir - open a directory
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9 #include <sys/types.h>
10 #include <dirent.h>
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12 DIR *opendir(const char *name);
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15 The opendir() function opens a directory stream corresponding to the
16 directory name, and returns a pointer to the directory stream. The
17 stream is positioned at the first entry in the directory.
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20 The opendir() function returns a pointer to the directory stream. On
21 error, NULL is returned, and errno is set appropriately.
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24 EACCES Permission denied.
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26 EMFILE Too many file descriptors in use by process.
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28 ENFILE Too many files are currently open in the system.
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30 ENOENT Directory does not exist, or name is an empty string.
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32 ENOMEM Insufficient memory to complete the operation.
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34 ENOTDIR
35 name is not a directory.
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38 The underlying file descriptor of the directory stream can be obtained
39 using dirfd(3).
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42 SVr4, 4.3BSD, POSIX.1-2001.
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45 open(2), closedir(3), dirfd(3), readdir(3), rewinddir(3), scandir(3),
46 seekdir(3), telldir(3)
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50 1995-06-11 OPENDIR(3)