# SPORT_SPECIAL_FUNC (W*S)

Serial Port I/O Function: Executes the Windows* API communications function EscapeCommFunction on the specified port.

## Module

USE IFPORT

result = SPORT_SPECIAL_FUNC (port,function)

port | (Input) Integer. The port number.
function | (Input) INTEGER(4). The function to perform.

## Results

The result type is INTEGER(4). The result is zero if successful; otherwise, the result is a Windows* error value.

## Example

    USE IFPORT
    INTEGER(4) iresult
    iresult =  SPORT_SPECIAL_FUNC( 2, ? )
    END

Parent topic: Serial Port I/O Library Routines