Function gio_sys::g_action_group_query_action

pub unsafe extern "C" fn g_action_group_query_action(
    action_group: *mut GActionGroup, 
    action_name: *const c_char, 
    enabled: *mut gboolean, 
    parameter_type: *mut *const GVariantType, 
    state_type: *mut *const GVariantType, 
    state_hint: *mut *mut GVariant, 
    state: *mut *mut GVariant
) -> gboolean