'\" t
.\"     Title: zmq_msg_set
.\"    Author: [see the "AUTHORS" section]
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 02/03/2021
.\"    Manual: 0MQ Manual
.\"    Source: 0MQ 4.3.4
.\"  Language: English
.\"
.TH "ZMQ_MSG_SET" "3" "02/03/2021" "0MQ 4\&.3\&.4" "0MQ Manual"
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.SH "NAME"
zmq_msg_set \- set message property
.SH "SYNOPSIS"
.sp
\fBint zmq_msg_set (zmq_msg_t \fR\fB\fI*message\fR\fR\fB, int \fR\fB\fIproperty\fR\fR\fB, int \fR\fB\fIvalue\fR\fR\fB);\fR
.SH "DESCRIPTION"
.sp
The \fIzmq_msg_set()\fR function shall set the property specified by the \fIproperty\fR argument to the value of the \fIvalue\fR argument for the 0MQ message fragment pointed to by the \fImessage\fR argument\&.
.sp
Currently the \fIzmq_msg_set()\fR function does not support any property names\&.
.SH "RETURN VALUE"
.sp
The \fIzmq_msg_set()\fR function shall return zero if successful\&. Otherwise it shall return \-1 and set \fIerrno\fR to one of the values defined below\&.
.SH "ERRORS"
.PP
\fBEINVAL\fR
.RS 4
The requested property
\fIproperty\fR
is unknown\&.
.RE
.SH "SEE ALSO"
.sp
\fBzmq_msg_get\fR(3) \fBzmq\fR(7)
.SH "AUTHORS"
.sp
This page was written by the 0MQ community\&. To make a change please read the 0MQ Contribution Policy at \m[blue]\fBhttp://www\&.zeromq\&.org/docs:contributing\fR\m[]\&.