# modbus_set_debug(3) Manual Page

## NAME

modbus_set_debug - set debug flag of the context

## SYNOPSIS

void modbus_set_debug(modbus_t *ctx, int boolean);

## DESCRIPTION

The modbus_set_debug() function shall set the debug flag of the modbus_t context by using the argument boolean. When the boolean value is set to TRUE, many verbose messages are displayed on stdout and stderr. For example, this flag is useful to display the bytes of the Modbus messages.

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## RETURN VALUE

There is no return values.

## AUTHORS

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