pub unsafe fn varstr_levenshtein_less_equal(
arg_source: *const c_char,
arg_slen: c_int,
arg_target: *const c_char,
arg_tlen: c_int,
arg_ins_c: c_int,
arg_del_c: c_int,
arg_sub_c: c_int,
arg_max_d: c_int,
arg_trusted: bool,
) -> c_int