int xtapi_init(char *appname, int *numdevs)
{
LONG retval;
BOOL reinit;
if (TapiObj.hObj) return XTAPI_SUCCESS;
TapiObj.hWnd = GetLibraryWindow();
reinit = TRUE; // Allow for reinitialization
while (1)
{
retval = lineInitialize(&TapiObj.hObj,
GetWindowInstance(TapiObj.hWnd),
tapi_callback,
appname,
&TapiObj.num_devs);
if (!retval) {
break;
}
else if (retval == LINEERR_REINIT) {
if (reinit) {
timer_delay(0x50000); // delay 5 seconds
reinit = FALSE;
}
else {
return XTAPI_APPCONFLICT; // another app is using tapi resources we need
}
}
else if (retval == LINEERR_NODEVICE) {
return XTAPI_NODEVICES; // should tell user to install a modem
}
else return XTAPI_GENERAL_ERR;
}
*numdevs = (int)TapiObj.num_devs;
TapiDev.valid = FALSE;
return XTAPI_SUCCESS;
}
/*
* Initialize TAPI. All we here is see if we can init and figure out how
* many TAPI lines are on the system. We may not be able to work with
* all of the lines on the system. Which lines we can use is determined
* when we call lineOpen.
*/
long InitTapi(unsigned long * dwNumLines)
{
long lRet = -1;
char szDebug[256];
g_hTAPI = NULL;
lRet = lineInitialize(&g_hTAPI, g_hinstDLL, LineCallBackProc,
"TAPIProcess", dwNumLines);
wsprintf(szDebug,"lineInit returned %d with %u lines",lRet,*dwNumLines );
if(lRet == 0)
debugString(4,"InitTapi",szDebug,_where());
else
debugString(0,"InitTapi",szDebug,_where());
return lRet;
}