#include <sys/types.h>

int sd_session_get_class(const char *session, char **class);
int sd_session_get_seat(const char *session, char **seat);
int sd_session_get_type(const char *session, char **type);
int sd_session_get_state(const char *session, char **state);
int sd_session_get_uid(const char *session, uid_t *uid);
int sd_session_get_service(const char *session, char **service);

int sd_pid_get_session(pid_t pid, char **session);

int sd_uid_get_sessions(uid_t uid, int require_active, char ***sessions);

int sd_seat_can_graphical(const char *seat);
int sd_seat_can_multi_session(const char *seat);
int sd_seat_get_sessions(const char *seat, char ***sessions, uid_t **uid, unsigned int *n_uids);

int sd_get_sessions(char ***sessions);