337 	      ssize_t expected_ret)  in send_buf()  argument
354 	if (expected_ret < 0) {  in send_buf()
357 				ret, expected_ret);  in send_buf()
360 		if (errno != -expected_ret) {  in send_buf()
372 	if (nwritten != expected_ret) {  in send_buf()
377 			nwritten, expected_ret);  in send_buf()
389 void recv_buf(int fd, void *buf, size_t len, int flags, ssize_t expected_ret)  in recv_buf()  argument
406 	if (expected_ret < 0) {  in recv_buf()
409 				ret, expected_ret);  in recv_buf()
412 		if (errno != -expected_ret) {  in recv_buf()
424 	if (nread != expected_ret) {  in recv_buf()
429 			nread, expected_ret);  in recv_buf()
441 void send_byte(int fd, int expected_ret, int flags)  in send_byte()  argument
445 	send_buf(fd, &byte, sizeof(byte), flags, expected_ret);  in send_byte()
455 void recv_byte(int fd, int expected_ret, int flags)  in recv_byte()  argument
459 	recv_buf(fd, &byte, sizeof(byte), flags, expected_ret);  in recv_byte()