PROTO_RES_UNUSED
r->r_type = PROTO_RES_UNUSED;
CTASSERT(SYS_RES_IRQ != PROTO_RES_UNUSED &&
SYS_RES_DRQ != PROTO_RES_UNUSED &&
SYS_RES_MEMORY != PROTO_RES_UNUSED &&
SYS_RES_IOPORT != PROTO_RES_UNUSED);
if (type == PROTO_RES_UNUSED)