Lines Matching refs:sb_head
93 mblk_t *sb_head; /* pre-allocated space for the next header */ member
219 sbp->sb_tail = sbp->sb_mp = sbp->sb_head = NULL; in sbopen()
257 sbp->sb_tail = sbp->sb_mp = sbp->sb_head = NULL; in sbclose()
507 sbp->sb_tail = sbp->sb_mp = sbp->sb_head = NULL; in sbrput()
1028 if (sbp->sb_head == NULL) { in sbaddmsg()
1030 sbp->sb_head = allocb(sizeof (hp), BPRI_MED); in sbaddmsg()
1031 if (sbp->sb_head == NULL) { in sbaddmsg()
1043 sbp->sb_mp = sbp->sb_head; in sbaddmsg()
1051 (void) memcpy(sbp->sb_head->b_wptr, (char *)&hp, sizeof (hp)); in sbaddmsg()
1052 sbp->sb_head->b_wptr += sizeof (hp); in sbaddmsg()
1054 ASSERT(sbp->sb_head->b_wptr <= sbp->sb_head->b_datap->db_lim); in sbaddmsg()
1059 linkb(sbp->sb_head, mp); in sbaddmsg()
1108 sbp->sb_head = last; in sbaddmsg()
1127 sbp->sb_head = wrapper; in sbaddmsg()
1186 sbp->sb_tail = sbp->sb_mp = sbp->sb_head = NULL; in sbclosechunk()