modbus_get_slave(3)
===================


NAME
----
modbus_get_slave - get slave number in the context


SYNOPSIS
--------
*int modbus_get_slave(modbus_t *'ctx');*


DESCRIPTION
-----------
The *modbus_get_slave()* function shall get the slave number in the libmodbus
context.


RETURN VALUE
------------
The function shall return the slave number if successful. Otherwise it shall return -1
and set errno to one of the values defined below.


ERRORS
------
*EINVAL*::
The libmodbus context is undefined.


SEE ALSO
--------
linkmb:modbus_set_slave[3]


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