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.\"     Title: modbus_get_header_length
.\"    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_GET_HEADER_LE" "3" "02/28/2020" "libmodbus v3\&.1\&.6" "libmodbus Manual"
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.SH "NAME"
modbus_get_header_length \- retrieve the current header length
.SH "SYNOPSIS"
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\fBint modbus_get_header_length(modbus_t *\fR\fB\fIctx\fR\fR\fB);\fR
.SH "DESCRIPTION"
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The \fBmodbus_get_header_length()\fR function shall retrieve the current header length from the backend\&. This function is convenient to manipulate a message and so its limited to low\-level operations\&.
.SH "RETURN VALUE"
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The header length as integer value\&.
.SH "SEE ALSO"
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\fBlibmodbus\fR(7)
.SH "AUTHORS"
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The libmodbus documentation was written by Stéphane Raimbault <stephane\&.raimbault@gmail\&.com>