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- 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 or file descriptor than the one defined in the
- context 'ctx', see the function linkmb:modbus_set_socket[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_set_socket[3]
- linkmb:modbus_reply[3]
- AUTHORS
- -------
- The libmodbus documentation was written by Stéphane Raimbault
- <stephane.raimbault@gmail.com>
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