gnutls_openpgp_privkey_get_preferred_key_id — Gets the preferred keyID
#include <gnutls/openpgp.h>
int
            gnutls_openpgp_privkey_get_preferred_key_id( | 
            gnutls_openpgp_privkey_t | key, | 
| gnutls_openpgp_keyid_t | keyid); | 
          
the structure that contains the OpenPGP public key.
the struct to save the keyid.
the 64−bit preferred keyID of the OpenPGP key, or if it hasn't been set it returns GNUTLS_E_INVALID_REQUEST.
The full documentation for gnutls is maintained as a Texinfo manual. If the info and gnutls programs are properly installed at your site, the command
info gnutls
should give you access to the complete manual.
| COPYRIGHT | 
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                 Copyright © 2008 Free Software Foundation. Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies.  |