+#define TTYSZ 64
+typedef struct Session Session;
+struct Session {
+ int used;
+ int self;
+ struct passwd *pw;
+ Authctxt *authctxt;
+ pid_t pid;
+ /* tty */
+ char *term;
+ int ptyfd, ttyfd, ptymaster;
+ u_int row, col, xpixel, ypixel;
+ char tty[TTYSZ];
+ /* last login */
+ char hostname[MAXHOSTNAMELEN];
+ time_t last_login_time;
+ /* X11 */
+ u_int display_number;
+ char *display;
+ u_int screen;
+ char *auth_display;
+ char *auth_proto;
+ char *auth_data;
+ int single_connection;
+ /* proto 2 */
+ int chanid;
+ int is_subsystem;
+};
+
+void do_authenticated(Authctxt *);
+void do_cleanup(Authctxt *);
+
+int session_open(Authctxt *, int);
+int session_input_channel_req(Channel *, const char *);
+void session_close_by_pid(pid_t, int);
+void session_close_by_channel(int, void *);
+void session_destroy_all(void (*)(Session *));
+void session_pty_cleanup2(Session *);