CHUNK_COOKIE
{ CHUNK_COOKIE, "Cookie", "Cookie Chunk",
cech->sch_id = CHUNK_COOKIE;
if (ch->sch_id != CHUNK_COOKIE)
case CHUNK_COOKIE:
case CHUNK_COOKIE:
case CHUNK_COOKIE:
case CHUNK_COOKIE: {
case CHUNK_COOKIE:
case CHUNK_COOKIE:
case CHUNK_COOKIE: