4 /*-
5  * SPDX-License-Identifier: BSD-3-Clause
63 #define	min(a,b)	((a < b) ? a : b)  macro
246 	int len;  in goodbye()  local
264 		ioctl(FD, FIONREAD, &len);  in goodbye()
266 		printf("goodbye1: len=%d -- ", len);  in goodbye()
267 		rlen = read(FD, dumbuf, min(len, DUMBUFLEN));  in goodbye()
274 		ioctl(FD, FIONREAD, &len);  in goodbye()
275 		printf("goodbye2: len=%d -- ", len);  in goodbye()
276 		rlen = read(FD, dumbuf, min(len, DUMBUFLEN));  in goodbye()
291 	int len, retry = 0;  in hay_sync()  local
296 		ioctl(FD, FIONREAD, &len);  in hay_sync()
297 		if (len) {  in hay_sync()
298 			len = read(FD, dumbuf, min(len, DUMBUFLEN));  in hay_sync()
303 			dumbuf[len] = '\0';  in hay_sync()