krb5int_c_copy_keyblock
krb5_error_code krb5int_c_copy_keyblock(krb5_context context,
ret = krb5int_c_copy_keyblock(NULL, usage_keyblock, &trunc_keyblock);
return krb5int_c_copy_keyblock(context, &key->keyblock, key_data);
return krb5int_c_copy_keyblock(context, from, to);