cts_decr
cts_decr(krb5_key key, const krb5_data *ivec, krb5_crypto_iov *data,
cts_decr(krb5_key key, const krb5_data *ivec, krb5_crypto_iov *data,
cts_decr(krb5_key key, const krb5_data *ivec, krb5_crypto_iov *data,
cts_decr(krb5_key key, const krb5_data *ivec, krb5_crypto_iov *data,