modbus_flush - Man Page
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 <stephane.raimbault@gmail.com>
Referenced By
01/19/2023 libmodbus v3.1.6 libmodbus Manual