Serial Line (cont’d)

static void EVBdisconnect()

{

FormPtr frmP;

/*

** connected?

*/

if (serRefNum != 0) {

SerClose(serRefNum);

serRefNum = 0;

} else {

frmP = FrmInitForm(DisconnectForm);

FrmDoDialog(frmP);

FrmDeleteForm(frmP);

}

}

SerReceive(serRefNum, serRcvQueue, 1, 0, &err);

if (err == serErrTimeOut) return;

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