Function pgrx_pg_sys::varstr_levenshtein

pub unsafe fn varstr_levenshtein(
    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_trusted: bool
) -> c_int