modbus_flush(3) =============== NAME ---- modbus_flush - flush non-transmitted data SYNOPSIS -------- *int modbus_flush(modbus_t *'ctx');* DESCRIPTION ----------- The *modbus_flush()* function shall discard data received but not read to the socket or file descriptor associated to the context 'ctx'. RETURN VALUE ------------ The function shall return 0 or the number of flushed bytes if successful. Otherwise it shall return -1 and set errno. AUTHORS ------- The libmodbus documentation was written by Stéphane Raimbault