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.TH "ZMQ_ERRNO" "3" "12/18/2011" "0MQ 3\&.1\&.0" "0MQ Manual"
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zmq_errno \- retrieve value of errno for the calling thread
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\fBint zmq_errno (void);\fR
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The \fIzmq_errno()\fR function shall retrieve the value of the \fIerrno\fR variable for the calling thread\&.
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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\&.
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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\&.
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The \fIzmq_errno()\fR function shall return the value of the \fIerrno\fR variable for the calling thread\&.
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No errors are defined\&.
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The 0MQ documentation was written by Martin Sustrik <\m[blue]\fBsustrik@250bpm\&.com\fR\m[]\&\s-2\u[1]\d\s+2> and Martin Lucina <\m[blue]\fBmartin@lucina\&.net\fR\m[]\&\s-2\u[2]\d\s+2>\&.
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