89 void parent(int masterfd, int childpid)  in parent()  argument
99 	pollfds[0].fd = masterfd;  in parent()
105 		if (read(masterfd, buf, len) == -1) {  in parent()
159 int child(int masterfd)  in child()  argument
164 	if ((slavename = ptsname(masterfd)) == NULL) {  in child()
212 	int masterfd;		/* master pty fd */  in main()  local
217 	masterfd = SAFE_OPEN(NULL, MASTERCLONE, O_RDWR);  in main()
219 	slavename = ptsname(masterfd);  in main()
223 	if (grantpt(masterfd) != 0)  in main()
226 	if (unlockpt(masterfd) != 0)  in main()
233 		exit(child(masterfd));  in main()
235 		parent(masterfd, childpid);  in main()