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scandir.3: RETURN VALUE: mention that 'errno' is set on error 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2013-04-19 10:06:06 +02:00
parent a824712b8a
commit fd88c684f8
1 changed files with 5 additions and 2 deletions
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7
man3/scandir.3
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@ -33,7 +33,7 @@
.\" Modified Sun Sep 24 20:15:46 2000 by aeb, following Petter Reinholdtsen.
.\" Modified 2001-12-26 by aeb, following Joey. Added versionsort.
.\"
.TH SCANDIR 3 2012-04-26 "GNU" "Linux Programmer's Manual"
.TH SCANDIR 3 2013-04-19 "GNU" "Linux Programmer's Manual"
.SH NAME
scandir, alphasort, versionsort \- scan a directory for matching entries
.SH SYNOPSIS
@ -93,7 +93,10 @@ on the strings \fI(*a)\->d_name\fP and \fI(*b)\->d_name\fP.
The
.BR scandir ()
function returns the number of directory entries
selected or \-1 if an error occurs.
selected.
On error, \-1 is returned, with
.I errno
set to indicate the cause of the error.
.PP
The
.BR alphasort ()