user_start       1063 src/login/logind-dbus.c                         user_start(u);
user_start        542 src/login/logind-session.c         r = user_start(s->user);
user_start         74 src/login/logind-user.h int user_start(User *u);
user_start       1121 src/login/logind.c                 user_start(user);