Function heap_fill_tuple

pub unsafe fn heap_fill_tuple(
    arg_tupleDesc: TupleDesc,
    arg_values: *mut Datum,
    arg_isnull: *mut bool,
    arg_data: *mut c_char,
    arg_data_size: Size,
    arg_infomask: *mut uint16,
    arg_bit: *mut bits8,
)