libmodbus/doc/modbus_receive.txt

modbus_receive(3)
=================


NAME
----
modbus_receive - receive a indication request


SYNOPSIS
--------
*int modbus_receive(*modbus_t 'ctx', uint8_t *'req');*


DESCRIPTION
-----------
The _modbus_receive()_ function shall receive an indication request from the
socket of the context 'ctx'. This function is used by Modbus slave/server to
receive and analyze indication request sent by the masters/clients.

If you need to use another socket than the one defined in the context 'ctx', see
the function linkmb:modbus_receive_from[3].


RETURN VALUE
------------
The _modbus_receive()_ function shall store the indication request in 'req' and
return the request length if sucessful. Otherwise it shall return -1 and set
errno.


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


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