160 } session_t;  typedef
162 static void free_session(session_t *);
163 static session_t *new_session(session_t *, struct ttyent *);
164 static session_t *sessions;
167 static void start_window_system(session_t *);
169 static pid_t start_getty(session_t *);
174 static int setupargv(session_t *, struct ttyent *);
181 static void add_session(session_t *);
182 static void del_session(session_t *);
183 static session_t *find_session(pid_t);
1203 add_session(session_t *sp)  in add_session()
1221 del_session(session_t *sp)  in del_session()
1235 static session_t *
1240 	session_t *ret;  in find_session()
1273 free_session(session_t *sp)  in free_session()
1295 static session_t *
1296 new_session(session_t *sprev, struct ttyent *typ)  in new_session()
1298 	session_t *sp;  in new_session()
1305 	sp = (session_t *) calloc(1, sizeof (session_t));  in new_session()
1339 setupargv(session_t *sp, struct ttyent *typ)  in setupargv()
1390 	session_t *sp, *snext;  in read_ttys()
1422 start_window_system(session_t *sp)  in start_window_system()
1477 start_getty(session_t *sp)  in start_getty()
1541 session_has_no_tty(session_t *sp)  in session_has_no_tty()
1567 	session_t *sp, *sprev, *snext;  in collect_child()
1707 	session_t *sp;  in multi_user()
1753 	session_t *sp, *sprev;  in clean_ttys()
1839 	session_t *sp;  in catatonia()
1930 	session_t *sp;  in revoke_ttys()