bsd/net/if.c

463 		    && (ifc->ifc_units[bytoff] == 0xff))
467 		while ((ifc->ifc_units[bytoff] & (1 << bitoff)) != 0)
487 	KASSERT((ifc->ifc_units[bytoff] & (1 << bitoff)) == 0,
489 	ifc->ifc_units[bytoff] |= (1 << bitoff);
542 	KASSERT((ifc->ifc_units[bytoff] & (1 << bitoff)) != 0,
544 	ifc->ifc_units[bytoff] &= ~(1 << bitoff);
612 	ifc->ifc_units = _MALLOC(len, M_CLONE, M_WAITOK | M_ZERO);
613 	if (ifc->ifc_units == NULL)
615 	bzero(ifc->ifc_units, len);
630 		ifc->ifc_units[bytoff] |= (1 << bitoff);
644 	FREE(ifc->ifc_units, M_CLONE);