rem: fprintf (stderr, "VControl_SetJoyThreshold passed illegal port %d\n", port);
context: VControl_SetJoyThreshold (int port, int threshold){	if (port >= 0 && port < joycount)	{		joysticks[port].threshold = threshold;		return 0;	}	else	{		fprintf (stderr, "VControl_SetJoyThreshold passed illegal port %d\n", port);		return -1;	}}