signer_dialog_box (&locusr, NULL);
err = signer_dialog_box (&locusr, NULL); if (err == -1)  return 0;
op_sign_start (const char *inbuf, char **outbuf){    gpgme_key_t locusr = NULL;    signer_dialog_box (&locusr, NULL);    return op_sign ((void*)locusr, inbuf, outbuf);}