56 int ptcwrite(dev_t, struct uio *, struct cred *);
57 int ptcread(dev_t, struct uio *, struct cred *);
67 static int makemsg(ssize_t count, struct uio *uiop,
322 ptcread(dev_t dev, struct uio *uio, struct cred *cred)  in ptcread()  argument
336 	off = uio->uio_offset;  in ptcread()
354 			error = ureadc((int)tmp, uio);  in ptcread()
355 			uio->uio_offset = off;  in ptcread()
374 			error = ureadc((int)tmp, uio);  in ptcread()
375 			uio->uio_offset = off;  in ptcread()
399 				error = ureadc(TIOCPKT_DATA, uio);  in ptcread()
400 				uio->uio_offset = off;  in ptcread()
409 			while (uio->uio_resid > 0) {  in ptcread()
419 				cc = MIN(cc, uio->uio_resid);  in ptcread()
422 				    cc, UIO_READ, uio);  in ptcread()
423 				uio->uio_offset = off;  in ptcread()
456 			error = ureadc(TIOCSTI&0xff, uio);  in ptcread()
460 			    uio->uio_resid > 0) {  in ptcread()
467 				error = ureadc((int)*bp->b_rptr, uio);  in ptcread()
472 			uio->uio_offset = off;  in ptcread()
489 		if (uio->uio_fmode & FNONBLOCK) {  in ptcread()
497 		if (uio->uio_fmode & FNDELAY)  in ptcread()
523 ptcwrite(dev_t dev, struct uio *uio, struct cred *cred)  in ptcwrite()  argument
533 	off = uio->uio_offset;  in ptcwrite()
559 		if (uio->uio_fmode & FNONBLOCK) {  in ptcwrite()
567 		if (uio->uio_fmode & FNDELAY)  in ptcwrite()
587 	if ((pty->pt_flags & PF_REMOTE) || uio->uio_resid > 0) {  in ptcwrite()
597 				if (uio->uio_fmode & FNONBLOCK) {  in ptcwrite()
607 				if (uio->uio_fmode & FNDELAY)  in ptcwrite()
631 			    !(uio->uio_fmode & FNONBLOCK)) {  in ptcwrite()
632 				fmode = uio->uio_fmode;  in ptcwrite()
633 				uio->uio_fmode |= FNONBLOCK;  in ptcwrite()
636 			error = makemsg(uio->uio_resid, uio, pty, &mp);  in ptcwrite()
637 			uio->uio_offset = off;  in ptcwrite()
639 				uio->uio_fmode = fmode;  in ptcwrite()
643 				if (uio->uio_fmode & FNONBLOCK) {  in ptcwrite()
653 				if (uio->uio_fmode & FNDELAY)  in ptcwrite()
674 		} while (uio->uio_resid > 0);  in ptcwrite()
1094 makemsg(ssize_t count, struct uio *uiop, struct pty *pty, mblk_t **mpp)  in makemsg()