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RedHat 9 (Linux i386) - man page for dirfd (redhat section 3)

DIRFD(3)			    Linux Programmer's Manual				 DIRFD(3)

NAME
       dirfd - get directory stream file descriptor

SYNOPSIS
       #include <sys/types.h>
       #include <dirent.h>

       int dirfd(DIR *dir);

DESCRIPTION
       The function dirfd() returns the file descriptor associated with the directory stream dir.

ERRORS
       On error -1 is returned.

NOTES
       The  prototype  for  dirfd  is  only  available	if _BSD_SOURCE or _SVID_SOURCE is defined
       (either explicitly, or implicitly, by not defining _POSIX_SOURCE  or  compiling	with  the
       -ansi flag).

CONFORMING TO
       This  is  a BSD extension, present in 4.3BSD-Reno, not in 4.2BSD.  Present in libc5 (since
       5.1.2) and in glibc2.

SEE ALSO
       open(2),  closedir(3),  opendir(3),  readdir(3),  rewinddir(3),	scandir(3),   seekdir(3),
       telldir(3)

Linux 2.5				    2002-01-05					 DIRFD(3)


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