Example for callback function

[Marcus Brinkmann]

At Sun, 14 Mar 2004 21:37:23 +0100,
Florian Lindner wrote:
> I'm looking for an example how to use the gpgme callback function to obtain 
> the password. I just don't get it managed to install the callback.

From tests/gpg/*:

gpgme_error_t
passphrase_cb (void *opaque, const char *uid_hint, const char *passphrase_info,
	       int last_was_bad, int fd)
{
  write (fd, "abc\n", 4);
  return 0;
}

and:

gpgme_set_passphrase_cb (ctx, passphrase_cb, NULL);

Thanks,
Marcus