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authorLars Wirzenius <liw@liw.fi>2009-02-03 12:48:06 +0200
committerLars Wirzenius <liw@liw.fi>2009-02-03 12:48:06 +0200
commit7ddb4d64810f3e58b43798de7f2dc2bf67df59d5 (patch)
tree1643b961bae8468ce09d4e36dcf5b57715840d56 /errno.1
parenta71f4cce9ad601767102109afb4fed6dd7f7b95f (diff)
downloadextrautils-7ddb4d64810f3e58b43798de7f2dc2bf67df59d5.tar.gz
Added errno.
Diffstat (limited to 'errno.1')
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+.\" errno.1 - manual page for the errno command
+.\" Copyright (C) 2009 Lars Wirzenius
+.\"
+.\" This program is free software: you can redistribute it and/or modify
+.\" it under the terms of the GNU General Public License as published by
+.\" the Free Software Foundation, either version 3 of the License, or
+.\" (at your option) any later version.
+.\"
+.\" This program is distributed in the hope that it will be useful,
+.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
+.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+.\" GNU General Public License for more details.
+.\"
+.\" You should have received a copy of the GNU General Public License
+.\" along with this program. If not, see <http://www.gnu.org/licenses/>.
+.\"
+.TH ERRNO 1
+.SH NAME
+errno \- look up errno codes or names
+.SH SYNOPSIS
+.B errno
+.RI [ code | name ]...
+.SH DESCRIPTION
+.B errno
+prints the description of
+.BR errno (3)
+values, from the command line.
+It can look descriptions based on the numeric code or names like
+.BR EEXIST .
+.PP
+For example, to look up what the code 2 means:
+.sp 1
+.nf
+.RS
+$ errno 2
+ENOENT 2 No such file or directory
+.RE
+.fi
+.sp 1
+Similarly, to look up what the code EEXIST means:
+.sp 1
+.nf
+.RS
+$ errno EEXIST
+EEXIST 17 File exists
+.RE
+.fi
+.sp 1
+Note that the output always lists both the name and the code.
+.SH "SEE ALSO"
+.BR errno (3).