'\" t
.\"     Title: modbus_flush
.\"    Author: [see the "AUTHORS" section]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: 02/28/2020
.\"    Manual: libmodbus Manual
.\"    Source: libmodbus v3.1.6
.\"  Language: English
.\"
.TH "MODBUS_FLUSH" "3" "02/28/2020" "libmodbus v3\&.1\&.6" "libmodbus Manual"
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.SH "NAME"
modbus_flush \- flush non\-transmitted data
.SH "SYNOPSIS"
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\fBint modbus_flush(modbus_t *\fR\fB\fIctx\fR\fR\fB);\fR
.SH "DESCRIPTION"
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The \fBmodbus_flush()\fR function shall discard data received but not read to the socket or file descriptor associated to the context \fIctx\fR\&.
.SH "RETURN VALUE"
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The function shall return 0 or the number of flushed bytes if successful\&. Otherwise it shall return \-1 and set errno\&.
.SH "AUTHORS"
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The libmodbus documentation was written by Stéphane Raimbault <stephane\&.raimbault@gmail\&.com>