Function ucl_object_array_sort 

pub unsafe extern "C" fn ucl_object_array_sort(
    ar: *mut ucl_object_t,
    cmp: Option<unsafe extern "C" fn(o1: *mut *const ucl_object_t, o2: *mut *const ucl_object_t) -> c_int>,
)

Sort UCL array using cmp compare function @param ar @param cmp