udi_nports        610 dev/usb/usb.h  	int		udi_nports;
udi_nports       1295 dev/usb/usb_subr.c 		di->udi_nports = dev->hub->hubdesc.bNbrPorts;
udi_nports       1297 dev/usb/usb_subr.c 		di->udi_nports = 0;