/*

    File:       FindSerialPorts.c

    Description:

                This is a little snippet from the "Inside the Macintosh 

                Communications Toolbox" which demonstrates the correct 

                method for detecting which serial ports are present.

    Author:     BB

    Copyright:  Copyright: © 1999 by Apple Computer, Inc.

                all rights reserved.

    Disclaimer: You may incorporate this sample code into your applications without

                restriction, though the sample code has been provided "AS IS" and the

                responsibility for its operation is 100% yours.  However, what you are

                not permitted to do is to redistribute the source as "DSC Sample Code"

                after having made changes. If you're going to re-distribute the source,

                we require that you make it clear in the source that the code was

                descended from Apple Sample Code, but that you've made changes.

    Change History (most recent first):

        6/22/99 - updated for Metrowerks Codewarrior Pro 2.1(KMG)

        2/17/97 - recompiled in Metrowerks Codewarrior 11(BB)  

*/

#include <CommResources.h>

#include <CRMSerialDevices.h>

#include <stdio.h>

void main(void)

{

    CRMRec      c;

    CRMRecPtr   cPtr = &c;

    CRMSerialPtr    serialPtr;

    printf("Listing of available serial ports\n");

    InitCRM();

    c.crmDeviceType = crmSerialDevice;

    c.crmDeviceID   = 0;

    while (cPtr != nil) {

        cPtr = (CRMRecPtr)CRMSearch((CRMRecPtr)cPtr);

        if (cPtr) {

            serialPtr = (CRMSerialPtr)cPtr->crmAttributes;

            printf("We have a port called: %#s\n", *(serialPtr->name));

            printf("   input driver named: %#s\n", *(serialPtr->inputDriverName));

            printf("  output driver named: %#s\n\n", *(serialPtr->outputDriverName));

            c.crmDeviceID = cPtr->crmDeviceID;

        }

    }

}