pub unsafe extern "C" fn kadm5_decrypt_key(
server_handle: *mut c_void,
entry: kadm5_principal_ent_t,
ktype: krb5_int32,
stype: krb5_int32,
kvno: krb5_int32,
keyblock: *mut krb5_keyblock,
keysalt: *mut krb5_keysalt,
kvnop: *mut c_int,
) -> kadm5_ret_t