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'\" t
.\" Title: zmq_errno
.\" Author: [see the "AUTHORS" section]
.\" Generator: DocBook XSL Stylesheets v1.75.2 <http://docbook.sf.net/>
.\" Date: 11/22/2011
.\" Manual: 0MQ Manual
.\" Source: 0MQ 2.1.10
.\" Language: English
.\"
.TH "ZMQ_ERRNO" "3" "11/22/2011" "0MQ 2\&.1\&.10" "0MQ Manual"
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.SH "NAME"
zmq_errno \- retrieve value of errno for the calling thread
.SH "SYNOPSIS"
.sp
\fBint zmq_errno (void);\fR
.SH "DESCRIPTION"
.sp
The \fIzmq_errno()\fR function shall retrieve the value of the \fIerrno\fR variable for the calling thread\&.
.sp
The \fIzmq_errno()\fR function is provided to assist users on non\-POSIX systems who are experiencing issues with retrieving the correct value of \fIerrno\fR directly\&. Specifically, users on Win32 systems whose application is using a different C run\-time library from the C run\-time library in use by 0MQ will need to use \fIzmq_errno()\fR for correct operation\&.
.if n \{\
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.\}
.RS 4
.it 1 an-trap
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.br
.ps +1
\fBImportant\fR
.ps -1
.br
.sp
Users not experiencing issues with retrieving the correct value of \fIerrno\fR should not use this function and should instead access the \fIerrno\fR variable directly\&.
.sp .5v
.RE
.SH "RETURN VALUE"
.sp
The \fIzmq_errno()\fR function shall return the value of the \fIerrno\fR variable for the calling thread\&.
.SH "ERRORS"
.sp
No errors are defined\&.
.SH "SEE ALSO"
.sp
\fBzmq\fR(7)
.SH "AUTHORS"
.sp
This 0MQ manual page was written by Martin Sustrik <\m[blue]\fBsustrik@250bpm\&.com\fR\m[]\&\s-2\u[1]\d\s+2> and Martin Lucina <\m[blue]\fBmato@kotelna\&.sk\fR\m[]\&\s-2\u[2]\d\s+2>\&.
.SH "NOTES"
.IP " 1." 4
sustrik@250bpm.com
.RS 4
\%mailto:sustrik@250bpm.com
.RE
.IP " 2." 4
mato@kotelna.sk
.RS 4
\%mailto:mato@kotelna.sk
.RE
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