Function setupCheck

wiringPi/wiringPi.c:945–953

 */

static void setupCheck (const char *fName)
{
  if (!wiringPiSetuped)
  {
    fprintf (stderr, "%s: You have not called one of the wiringPiSetup\n"
	"  functions, so I'm aborting your program before it crashes anyway.\n", fName) ;
    exit (EXIT_FAILURE) ;
  }
}

/*
 * gpioMemCheck: