4 typedef struct Session Session;  typedef
58 struct Session {  struct
63         SessionType type;  argument
64         SessionType original_type;  argument
65         SessionClass class;  argument
67         char *state_file;
69         User *user;
71         dual_timestamp timestamp;
73         char *display;
74         char *tty;
75         TTYValidity tty_validity;
77         bool remote;
78         char *remote_user;
79         char *remote_host;
80         char *service;
81         char *desktop;
83         char *scope;
84         char *scope_job;
86         Seat *seat;
87         unsigned vtnr;
88         int vtfd;
90         pid_t leader;
91         uint32_t audit_id;
93         int fifo_fd;
94         char *fifo_path;
118         LIST_FIELDS(Session, sessions_by_user);  argument