92 int	ds_fd = -1;  variable
155 		if (read(ds_fd, ds_header + ds_headsize, BLK_SIZE) < BLK_SIZE)  in ds_gets()
187 	if (ds_fd >= 0)  in ds_readbuf()
188 		(void) close(ds_fd);  in ds_readbuf()
189 	if ((ds_fd = open(device, O_RDONLY)) >= 0 &&  in ds_readbuf()
190 	    read(ds_fd, buf, BLK_SIZE) == BLK_SIZE &&  in ds_readbuf()
208 	} else if (ds_fd >= 0) {  in ds_readbuf()
209 		(void) close(ds_fd);  in ds_readbuf()
210 		ds_fd = -1;  in ds_readbuf()
262 	    ds_fd, ds_realfd, ds_volcnt, ds_volno, ds_totread, ds_volpart,  in ds_putinfo()
272 	    &ds_fd, &ds_realfd, &ds_volcnt, &ds_volno, &ds_totread,  in ds_getinfo()
285 	return (ds_fd >= 0 ? B_TRUE : B_FALSE);  in ds_fd_open()
301 		if (ds_fd >= 0)  in ds_init()
305 		if ((ds_fd = open(device, O_RDONLY)) < 0) {  in ds_init()
327 		if (read(ds_fd, ds_header, BLK_SIZE) != BLK_SIZE) {  in ds_init()
352 				while (read(ds_fd, ds_header, BLK_SIZE) > 0)  in ds_init()
359 			if ((ds_fd = open(norewind, O_RDONLY)) < 0) {  in ds_init()
375 			if (read(ds_fd, ds_header, BLK_SIZE) != BLK_SIZE) {  in ds_init()
401 			if (read(ds_fd, ds_header + header_size, BLK_SIZE) !=  in ds_init()
504 	if (n = esystem(cmd, ds_fd, -1)) {  in ds_init()
627 	if ((ds_fd = open(device, O_RDONLY)) < 0)  in ds_getnextvol()
651 		if (n = esystem(cmd, ds_fd, -1)) {  in ds_skip()
694 		if (n = esystem(cmd, ds_fd, -1)) {  in ds_next()
744 	while ((amtread = read(ds_fd, readbuf, BLK_SIZE)) != 0) {  in BIO_ds_dump()
804 	oflag = fcntl(ds_fd, F_GETFL, 0);  in ds_ginit()
813 		(void) fcntl(ds_fd, F_DUPFD, fd);  in ds_ginit()
828 		ds_realfd = ds_fd;  in ds_ginit()
829 		ds_fd = fileno(ds_pp);  in ds_ginit()
851 		ds_fd = -1;  in ds_close()
852 	} else if (ds_fd >= 0) {  in ds_close()
853 		(void) close(ds_fd);  in ds_close()
854 		ds_fd = -1;  in ds_close()