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[thirdparty/man-pages.git] / man3 / opendir.3

.\" Copyright (C) 1993 David Metcalfe (david@prism.demon.co.uk)
.\"
.\" SPDX-License-Identifier: Linux-man-pages-copyleft
.\"
.\" References consulted:
.\"     Linux libc source code
.\"     Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\"     386BSD man pages
.\" Modified Sat Jul 24 18:46:01 1993 by Rik Faith (faith@cs.unc.edu)
.\" Modified 11 June 1995 by Andries Brouwer (aeb@cwi.nl)
.\" 2007-07-30 Ulrich Drepper <drepper@redhat.com>: document fdopendir().
.TH opendir 3 (date) "Linux man-pages (unreleased)"
.SH NAME
opendir, fdopendir \- open a directory
.SH LIBRARY
Standard C library
.RI ( libc ", " \-lc )
.SH SYNOPSIS
.nf
.B #include <sys/types.h>
.B #include <dirent.h>
.PP
.BI "DIR *opendir(const char *" name );
.BI "DIR *fdopendir(int " fd );
.fi
.PP
.RS -4
Feature Test Macro Requirements for glibc (see
.BR feature_test_macros (7)):
.RE
.PP
.BR fdopendir ():
.nf
    Since glibc 2.10:
        _POSIX_C_SOURCE >= 200809L
    Before glibc 2.10:
        _GNU_SOURCE
.fi
.SH DESCRIPTION
The
.BR opendir ()
function opens a directory stream corresponding to the
directory \fIname\fP, and returns a pointer to the directory stream.
The stream is positioned at the first entry in the directory.
.PP
The
.BR fdopendir ()