rem: if (itPtr != NULL && itPtr->servPtr != NULL) { return itPtr->servPtr->server; } return NULL;
add: return (itPtr ? itPtr->servPtr->server : NULL);
context: Ns_TclInterpServer(Tcl_Interp *interp){    NsInterp *itPtr = NsGetInterpData(interp);        if (itPtr != NULL && itPtr->servPtr != NULL) {    	return itPtr->servPtr->server;    }    return NULL;}