Function gio_sys::g_bus_own_name

pub unsafe extern fn g_bus_own_name(bus_type: GBusType,
                                    name: *const c_char,
                                    flags: GBusNameOwnerFlags,
                                    bus_acquired_handler: GBusAcquiredCallback,
                                    name_acquired_handler: GBusNameAcquiredCallback,
                                    name_lost_handler: GBusNameLostCallback,
                                    user_data: gpointer,
                                    user_data_free_func: GDestroyNotify)
                                    -> c_uint