206 	char buf[Arbbufsz];  in cmdmode()  local
213 			m = read(0, buf + n, sizeof buf - n - 1);  in cmdmode()
216 			write(1, buf + n, m);  in cmdmode()
218 			buf[n] = '\0';  in cmdmode()
219 			if (buf[n-1] == ('u' & 037))  in cmdmode()
221 		} while (buf[n-1] != '\n' && buf[n-1] != '\r');  in cmdmode()
222 		switch (buf[0]) {  in cmdmode()
247 keyprompt(char *buf, int size, int n)  in keyprompt()  argument
249 	if (*buf == 'c') {  in keyprompt()
251 		write(kconsfd, buf+5, n);  in keyprompt()
257 		write(kconsfd, buf+5, n);  in keyprompt()
261 	n = read(kconsfd, buf, size - 1);  in keyprompt()
264 	write(keyfd, buf, n);		/* user's response -> /net/ssh/keys */  in keyprompt()
266 	if (readn(keyfd, buf, 5) <= 0)  in keyprompt()
268 	buf[5] = 0;  in keyprompt()
269 	n = strtol(buf+1, nil, 10);  in keyprompt()
270 	n = readn(keyfd, buf+5, n);  in keyprompt()
273 	buf[n+5] = 0;  in keyprompt()
275 	switch (*buf) {  in keyprompt()
278 		fprint(kconsfd, "%s\n", buf+5);  in keyprompt()
287 keyproc(char *buf, int size)  in keyproc()  argument
305 	buf[0] = 0;  in keyproc()
306 	n = read(keyfd, buf, 5);		/* reading /net/ssh/keys */  in keyproc()
309 	buf[5] = 0;  in keyproc()
310 	n = strtol(buf+1, nil, 10);  in keyproc()
311 	n = readn(keyfd, buf+5, n);  in keyproc()
312 	buf[n < 0? 5: n+5] = 0;  in keyproc()
315 	switch (*buf) {  in keyproc()
318 			fprint(kconsfd, "%s\n", buf+5);  in keyproc()
327 			keyprompt(buf, size, n);  in keyproc()
343 bidircopy(char *buf, int size)  in bidircopy()  argument
354 		while ((n = read(dfd2, buf, size - 1)) > 0) {  in bidircopy()
356 				p = buf + n;  in bidircopy()
358 				for (i = 0, p = buf, q = buf; i < n; ++i, ++q)  in bidircopy()
361 			if (p != buf)  in bidircopy()
362 				write(1, buf, p-buf);  in bidircopy()
373 		while ((n = read(0, buf, size - 1)) > 0) {  in bidircopy()
374 			if (!mflag && lstart && buf[0] == 0x1c)  in bidircopy()
379 			lstart = (buf[n-1] == '\n' || buf[n-1] == '\r');  in bidircopy()
380 			write(dfd2, buf, n);  in bidircopy()
398 connect(char *buf, int size)  in connect()  argument
420 	n = read(cfd1, buf, size - 1);  in connect()
421 	buf[n >= 0? n: 0] = 0;  in connect()
422 	return atoi(buf);  in connect()
426 chanconnect(int conn, char *buf, int size)  in chanconnect()  argument
439 	n = read(cfd2, buf, size - 1);  in chanconnect()
440 	buf[n >= 0? n: 0] = 0;  in chanconnect()
441 	return atoi(buf);  in chanconnect()
445 remotecmd(int argc, char *argv[], int conn, int chan, char *buf, int size)  in remotecmd()  argument
455 		if (readfile("/env/TERM", buf, size) < 0)  in remotecmd()
458 			fprint(reqfd, "shell %s", buf);  in remotecmd()
461 		ep = buf + Bigbufsz;  in remotecmd()
462 		q = seprint(buf, ep, "exec");  in remotecmd()
470 		write(reqfd, buf, q - buf);  in remotecmd()
479 	char buf[Copybufsz];  in main()  local
553 		keyproc(buf, sizeof buf);  in main()
558 	conn = connect(buf, sizeof buf);  in main()
567 	chan = chanconnect(conn, buf, sizeof buf);  in main()
570 	remotecmd(argc, argv, conn, chan, buf, sizeof buf);  in main()
572 	bidircopy(buf, sizeof buf);  in main()
578 	char buf[64];  in isatty()  local
580 	buf[0] = '\0';  in isatty()
581 	fd2path(fd, buf, sizeof buf);  in isatty()
582 	return strlen(buf) >= 9 && strcmp(buf+strlen(buf)-9, "/dev/cons") == 0;  in isatty()