Returns the traffic features subscription status. (A license for PC*MILER|Traffic is required for these features.)
-1 = an unlimited subscription that is not set to expire
-2 = there is no subscription and traffic features are not accessible
If a number greater than or equal to 0 is returned, it is the number of days left until the traffic subscription expires.
long ret = PCMSTrafficStatus(); Log_Pcmstest("\nPCMSTrafficStatus returns %d\n", ret);
Supported Since: PC*MILER|Connect 25