pub unsafe fn array_get_element(
arg_arraydatum: Datum,
arg_nSubscripts: c_int,
arg_indx: *mut c_int,
arg_arraytyplen: c_int,
arg_elmlen: c_int,
arg_elmbyval: bool,
arg_elmalign: c_char,
arg_isNull: *mut bool,
) -> Datum