Intermec 5055 Reference Guide

Page of 216
im_cancel_rx_buffer
5-4
im_cancel_rx_buffer
Purpose:
This function clears the receive buffer of the designated communications port.
Syntax:
#include "im5055.h"
IM_STATUS im_cancel_rx_buffer
    (IM_COM_PORT port_id);
IN Parameters:
The port_id parameter identifies the communications port as follows:
IM_COM1
COM1.
IM_COM2
COM2.
IM_NET
Netwrite.
OUT Parameters:
None.
Return Value:
This function returns one of the standard status codes defined in Appendix A, “Status
Codes.”
If there is no input pending to receive, this function returns 4602H (no client).
Notes:
You must install a protocol handler to use this function.