q_head 429 dev/ic/pdqreg.h void *q_head; q_head 322 dev/ic/pdqvar.h (q)->q_head = (b); \ q_head 329 dev/ic/pdqvar.h if (((b) = (PDQ_OS_DATABUF_T *) (q)->q_head) != NULL) { \ q_head 330 dev/ic/pdqvar.h if (((q)->q_head = PDQ_OS_DATABUF_NEXTPKT(b)) == NULL) \