SPD_EXT_PROTO
spd_proto->spd_proto_exttype = SPD_EXT_PROTO;
if (exts[SPD_EXT_PROTO] != NULL) {
spd_proto = (struct spd_proto *)exts[SPD_EXT_PROTO];
case SPD_EXT_PROTO:
{"ulp", TOK_ulp, SPD_EXT_PROTO},
{"proto", TOK_ulp, SPD_EXT_PROTO},
spp->spd_proto_exttype = SPD_EXT_PROTO;
if (extv[SPD_EXT_PROTO] != NULL) {
(struct spd_proto *)extv[SPD_EXT_PROTO];