72 FILE	*ctrl_in, *ctrl_out;  variable
322 	ctrl_out = fdopen(s, "w");  in hookup()
323 	if (ctrl_in == NULL || ctrl_out == NULL) {  in hookup()
327 		if (ctrl_out)  in hookup()
328 			(void) fclose(ctrl_out);  in hookup()
337 		if (ctrl_out)  in hookup()
338 			(void) fclose(ctrl_out);  in hookup()
339 		ctrl_in = ctrl_out = NULL;  in hookup()
340 		ctrl_in = ctrl_out = NULL;  in hookup()
458 	if (ctrl_out == NULL) {  in command()
548 					(void) fprintf(ctrl_out, "%c%c%wc", IAC,  in getreply()
550 					(void) fflush(ctrl_out);  in getreply()
555 					(void) fprintf(ctrl_out, "%c%c%wc", IAC,  in getreply()
557 					(void) fflush(ctrl_out);  in getreply()
1389 	(void) fprintf(ctrl_out, "%c%c", IAC, IP);  in recvrequest()
1390 	(void) fflush(ctrl_out);  in recvrequest()
1396 	if (send(fileno(ctrl_out), &msg, 1, MSG_OOB) != 1) {  in recvrequest()
1399 	(void) fprintf(ctrl_out, "%cABOR\r\n", DM);  in recvrequest()
1400 	(void) fflush(ctrl_out);  in recvrequest()
1806 	ip->out = ctrl_out;  in pswitch()
1807 	ctrl_out = op->out;  in pswitch()
2010 				(void) fprintf(ctrl_out, "%c%c", IAC, IP);  in proxtrans()
2011 				(void) fflush(ctrl_out);  in proxtrans()
2014 				if (send(fileno(ctrl_out), msg, 2, MSG_OOB)  in proxtrans()
2017 				(void) fprintf(ctrl_out, "ABOR\r\n");  in proxtrans()
2018 				(void) fflush(ctrl_out);  in proxtrans()
2043 		(void) fprintf(ctrl_out, "%c%c", IAC, IP);  in proxtrans()
2044 		(void) fflush(ctrl_out);  in proxtrans()
2047 		if (send(fileno(ctrl_out), msg, 2, MSG_OOB) != 2)  in proxtrans()
2049 		(void) fprintf(ctrl_out, "ABOR\r\n");  in proxtrans()
2050 		(void) fflush(ctrl_out);  in proxtrans()
2087 				(void) fprintf(ctrl_out, "%c%c", IAC, IP);  in proxtrans()
2088 				(void) fflush(ctrl_out);  in proxtrans()
2091 				if (send(fileno(ctrl_out), msg, 2, MSG_OOB)  in proxtrans()
2094 				(void) fprintf(ctrl_out, "ABOR\r\n");  in proxtrans()
2095 				(void) fflush(ctrl_out);  in proxtrans()
2120 		(void) fprintf(ctrl_out, "%c%c", IAC, IP);  in proxtrans()
2121 		(void) fflush(ctrl_out);  in proxtrans()
2124 		if (send(fileno(ctrl_out), msg, 2, MSG_OOB) != 2)  in proxtrans()
2126 		(void) fprintf(ctrl_out, "ABOR\r\n");  in proxtrans()
2127 		(void) fflush(ctrl_out);  in proxtrans()
2349 		(void) fprintf(ctrl_out, "%s %s",  in secure_command()
2365 		fputs(cmd, ctrl_out);  in secure_command()
2368 	(void) fprintf(ctrl_out, "\r\n");  in secure_command()
2369 	(void) fflush(ctrl_out);  in secure_command()