Function gio_sys::g_dbus_connection_call_sync

pub unsafe extern fn g_dbus_connection_call_sync(connection: *mut GDBusConnection,
                                                 bus_name: *const c_char,
                                                 object_path: *const c_char,
                                                 interface_name: *const c_char,
                                                 method_name: *const c_char,
                                                 parameters: *mut GVariant,
                                                 reply_type: *const GVariantType,
                                                 flags: GDBusCallFlags,
                                                 timeout_msec: c_int,
                                                 cancellable: *mut GCancellable,
                                                 error: *mut *mut GError)
                                                 -> *mut GVariant