'\" t .\" Title: modbus_close .\" Author: [see the "AUTHORS" section] .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: 02/28/2020 .\" Manual: libmodbus Manual .\" Source: libmodbus v3.1.6 .\" Language: English .\" .TH "MODBUS_CLOSE" "3" "02/28/2020" "libmodbus v3\&.1\&.6" "libmodbus Manual" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" modbus_close \- close a Modbus connection .SH "SYNOPSIS" .sp \fBvoid modbus_close(modbus_t *\fR\fB\fIctx\fR\fR\fB);\fR .SH "DESCRIPTION" .sp The \fBmodbus_close()\fR function shall close the connection established with the backend set in the context\&. .SH "RETURN VALUE" .sp There is no return value\&. .SH "EXAMPLE" .sp .if n \{\ .RS 4 .\} .nf modbus_t *ctx; ctx = modbus_new_tcp("127\&.0\&.0\&.1", 502); if (modbus_connect(ctx) == \-1) { fprintf(stderr, "Connection failed: %s\en", modbus_strerror(errno)); modbus_free(ctx); return \-1; } modbus_close(ctx); modbus_free(ctx); .fi .if n \{\ .RE .\} .SH "SEE ALSO" .sp \fBmodbus_connect\fR(3) .SH "AUTHORS" .sp The libmodbus documentation was written by Stéphane Raimbault