cci_credentials_union_release
if (credentials_union) { cci_credentials_union_release (credentials_union); }
if (creds_union) { cci_credentials_union_release (creds_union); }
cc_uint32 cci_credentials_union_release (cc_credentials_union *io_credentials);
cci_credentials_union_release (credentials->data);
if (creds_union) { cci_credentials_union_release (creds_union); }
cci_credentials_union_release (io_credentials->cred_union);