209 	MBLKP	mp1;  in mi_copyin()  local
240 	mp1 = allocb(0, BPRI_MED);  in mi_copyin()
241 	if (mp1 == NULL) {  in mi_copyin()
250 	mp1->b_cont = mp->b_cont;  in mi_copyin()
251 	mp->b_cont = mp1;  in mi_copyin()
254 	mp->b_cont = mp1->b_cont;  in mi_copyin()
255 	mp1->b_cont = NULL;  in mi_copyin()
262 	cp->cp_private = mp1;  in mi_copyin()
318 	MBLKP	mp1;  in mi_copyout()  local
326 	mp1 = mp->b_cont;  in mi_copyout()
327 	if ((int)(uintptr_t)cp->cp_rval || !mp1->b_cont) {  in mi_copyout()
331 	if (!mp1->b_cont->b_cont && !MI_IS_TRANSPARENT(mp)) {  in mi_copyout()
332 		mp1->b_next = NULL;  in mi_copyout()
333 		mp1->b_prev = NULL;  in mi_copyout()
334 		mp->b_cont = mp1->b_cont;  in mi_copyout()
335 		freeb(mp1);  in mi_copyout()
336 		mp1 = mp->b_cont;  in mi_copyout()
337 		mp1->b_next = NULL;  in mi_copyout()
338 		mp1->b_prev = NULL;  in mi_copyout()
339 		iocp->ioc_count = mp1->b_wptr - mp1->b_rptr;  in mi_copyout()
352 	cq->cq_private = mp1;  in mi_copyout()
354 	for (mp2 = mp1; mp2->b_cont->b_cont; mp2 = mp2->b_cont)  in mi_copyout()
356 	if (mp2 == mp1)  in mi_copyout()
357 		bcopy((char *)mp1->b_rptr, (char *)&cq->cq_addr,  in mi_copyout()
361 	mp1 = mp2->b_cont;  in mi_copyout()
363 	mp->b_cont = mp1;  in mi_copyout()
365 	mp1->b_next = NULL;  in mi_copyout()
366 	cq->cq_size = mp1->b_wptr - mp1->b_rptr;  in mi_copyout()
376 	MBLKP	mp1;  in mi_copyout_alloc()  local
380 			mp1 = allocb(0, BPRI_MED);  in mi_copyout_alloc()
381 			if (mp1 == NULL) {  in mi_copyout_alloc()
392 			mp1->b_cont = mp->b_cont;  in mi_copyout_alloc()
393 			mp->b_cont = mp1;  in mi_copyout_alloc()
401 	mp1 = allocb(len, BPRI_MED);  in mi_copyout_alloc()
402 	if (mp1 == NULL) {  in mi_copyout_alloc()
407 	linkb(mp, mp1);  in mi_copyout_alloc()
408 	mp1->b_next = (MBLKP)uaddr;  in mi_copyout_alloc()
409 	return (mp1);  in mi_copyout_alloc()
416 	MBLKP	mp1;  in mi_copy_done()  local
429 	if ((mp1 = mp->b_cont) != NULL) {  in mi_copy_done()
430 		for (; mp1; mp1 = mp1->b_cont) {  in mi_copy_done()
431 			mp1->b_prev = NULL;  in mi_copy_done()
432 			mp1->b_next = NULL;  in mi_copy_done()
445 	MBLKP	mp1;  in mi_copy_state()  local
447 	mp1 = mp->b_cont;  in mi_copy_state()
449 	if (mp1) {  in mi_copy_state()
450 		if (mp1->b_cont && !pullupmsg(mp1, -1)) {  in mi_copy_state()
454 		linkb(mp->b_cont, mp1);  in mi_copy_state()
461 		*mpp = mp1;  in mi_copy_state()