getdirentries(3) - Linux manual page (original) (raw)

getdirentries(3) Library Functions Manual getdirentries(3)

NAME top

   getdirentries - get directory entries in a filesystem-independent
   format

LIBRARY top

   Standard C library (_libc_, _-lc_)

SYNOPSIS top

   **#include <dirent.h>**

   **ssize_t getdirentries(int** _fd_**, char** _buf_**[restrict .**_nbytes_**], size_t** _nbytes_**,**
                         **off_t *restrict** _basep_**);**

Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

   **getdirentries**():
       Since glibc 2.19:
           _DEFAULT_SOURCE
       glibc 2.19 and earlier:
           _BSD_SOURCE || _SVID_SOURCE

DESCRIPTION top

   Read directory entries from the directory specified by _fd_ into
   _buf_.  At most _nbytes_ are read.  Reading starts at offset _*basep_,
   and _*basep_ is updated with the new position after reading.

RETURN VALUE top

   **getdirentries**() returns the number of bytes read or zero when at
   the end of the directory.  If an error occurs, -1 is returned, and
   _[errno](../man3/errno.3.html)_ is set to indicate the error.

ERRORS top

   See the Linux library source code for details.

ATTRIBUTES top

   For an explanation of the terms used in this section, see
   [attributes(7)](../man7/attributes.7.html).
   ┌──────────────────────────────────────┬───────────────┬─────────┐
   │ **Interface** │ **Attribute** │ **Value** │
   ├──────────────────────────────────────┼───────────────┼─────────┤
   │ **getdirentries**()                      │ Thread safety │ MT-Safe │
   └──────────────────────────────────────┴───────────────┴─────────┘

STANDARDS top

   BSD.

NOTES top

   Use [opendir(3)](../man3/opendir.3.html) and [readdir(3)](../man3/readdir.3.html) instead.

SEE ALSO top

   [lseek(2)](../man2/lseek.2.html), [open(2)](../man2/open.2.html)

COLOPHON top

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Linux man-pages 6.10 2024-07-23 getdirentries(3)