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 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

       modbus_set_socket(3) modbus_reply(3)

AUTHORS

       The libmodbus documentation was written by Stéphane Raimbault
       <stephane.raimbault@gmail.com[1]>

NOTES

        1. stephane.raimbault@gmail.com
           mailto:stephane.raimbault@gmail.com