diff options
Diffstat (limited to 'man3/readdir.3')
-rw-r--r-- | man3/readdir.3 | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/man3/readdir.3 b/man3/readdir.3 new file mode 100644 index 000000000..95ba9c3a6 --- /dev/null +++ b/man3/readdir.3 @@ -0,0 +1,79 @@ +.\" Copyright (C) 1993 David Metcalfe (david@prism.demon.co.uk) +.\" +.\" Permission is granted to make and distribute verbatim copies of this +.\" manual provided the copyright notice and this permission notice are +.\" preserved on all copies. +.\" +.\" Permission is granted to copy and distribute modified versions of this +.\" manual under the conditions for verbatim copying, provided that the +.\" entire resulting derived work is distributed under the terms of a +.\" permission notice identical to this one. +.\" +.\" Since the Linux kernel and libraries are constantly changing, this +.\" manual page may be incorrect or out-of-date. The author(s) assume no +.\" responsibility for errors or omissions, or for damages resulting from +.\" the use of the information contained herein. The author(s) may not +.\" have taken the same level of care in the production of this manual, +.\" which is licensed free of charge, as they might when working +.\" professionally. +.\" +.\" Formatted or processed versions of this manual, if unaccompanied by +.\" the source, must acknowledge the copyright and authors of this work. +.\" +.\" References consulted: +.\" Linux libc source code +.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) +.\" 386BSD man pages +.\" Modified Sat Jul 24 16:09:49 1993 by Rik Faith (faith@cs.unc.edu) +.\" Modified 11 June 1995 by Andries Brouwer (aeb@cwi.nl) +.\" Modified 22 July 1996 by Andries Brouwer (aeb@cwi.nl) +.\" +.TH READDIR 3 1996-04-22 "" "Linux Programmer's Manual" +.SH NAME +readdir \- read a directory +.SH SYNOPSIS +.nf +.B #include <sys/types.h> +.sp +.B #include <dirent.h> +.sp +.BI "struct dirent *readdir(DIR *" dir ); +.fi +.SH DESCRIPTION +The \fBreaddir()\fP function returns a pointer to a dirent structure +representing the next directory entry in the directory stream pointed +to by \fIdir\fP. It returns NULL on reaching the end-of-file or if +an error occurred. +.PP +According to POSIX, the +.I dirent +structure contains a field +.I "char d_name[]" +of unspecified size, with at most +.B NAME_MAX +characters preceding the terminating null character. +Use of other fields will harm the portability of your programs. +POSIX 1003.1-2001 also documents the field +.I "ino_t d_ino" +as an XSI extension. +.PP +The data returned by \fBreaddir()\fP may be overwritten by subsequent +calls to \fBreaddir()\fP for the same directory stream. +.SH "RETURN VALUE" +The \fBreaddir()\fP function returns a pointer to a dirent structure, or +NULL if an error occurs or end-of-file is reached. +.SH ERRORS +.TP +.B EBADF +Invalid directory stream descriptor \fIdir\fP. +.SH "CONFORMING TO" +SVID 3, BSD 4.3, POSIX 1003.1-2001 +.SH "SEE ALSO" +.BR read (2), +.BR closedir (3), +.BR dirfd (3), +.BR opendir (3), +.BR rewinddir (3), +.BR scandir (3), +.BR seekdir (3), +.BR telldir (3) |