Flush non-transmitted data
int modbus_flush(modbus_t *ctx);
The modbus_flush() function shall discard data received but not read to the socket or file descriptor associated to the context ctx.
The modbus_flush() function shall return 0 or the number of flushed bytes if successful. Otherwise it shall return -1 and set errno.
The libmodbus documentation was written by St\('ephane Raimbault <\m[blue][email protected]\m[]\s-2\u[1]\d\s+2>
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