---
name: "modbus_mapping_free"
section: "3"
platform: "linux"
package: "libmodbus-dev"
version: "3.1.6-2.1"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/modbus_mapping_free"
---

# modbus\_mapping\_free(3)

free a modbus\_mapping\_t structure

## NAME

modbus\_mapping\_free - free a modbus\_mapping\_t structure

## SYNOPSIS

**void modbus\_mapping\_free(modbus\_mapping\_t \****mb\_mapping***);**

## DESCRIPTION

The function shall free the four arrays of mb\_mapping\_t structure and finally the mb\_mapping\_t referenced by *mb\_mapping*.

## RETURN VALUE

There is no return values.

## SEE ALSO

[**modbus\_mapping\_new**(3)](/modbus_mapping_new/3.md)

## AUTHORS

The libmodbus documentation was written by Stéphane Raimbault \<stephane.raimbault@gmail.com\>