# SPORT_RELEASE (W*S)

Serial Port I/O Function: Releases a serial port that was previously connected when SPORT_CONNECT was specified.

## Module

USE IFPORT

result = SPORT_RELEASE (port)

port | (Input) Integer. The port number.

## Results

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

## Example

    USE IFPORT
    INTEGER(4) iresult
    iresult =  SPORT_RELEASE( 2 )
    END

Parent topic: Serial Port I/O Library Routines

## See Also

SPORT_CONNECT

Communications and Communications Functions in the Microsoft* Platform SDK