op_decrypt_next (int (*pass_cb)(void *, const char*, const char*, int, int), void *pass_cb_value,
op_decrypt_next (gpgme_passphrase_cb_t pass_cb, void *pass_cb_value,
op_decrypt_next (int (*pass_cb)(void *, const char*, const char*, int, int),		 void *pass_cb_value,		 const char *inbuf, char **outbuf){    return op_decrypt (pass_cb, pass_cb_value, inbuf, outbuf);}