



@deftypefun {gnutls_sign_func} {gnutls_sign_callback_get} (gnutls_session_t @var{session}, void ** @var{userdata})
@var{session}: is a gnutls session

@var{userdata}: if non-@code{NULL} , will be set to abstract callback pointer.

Retrieve the callback function, and its userdata pointer.

@strong{Returns:} The function pointer set by @code{gnutls_sign_callback_set()} , or
if not set, @code{NULL} .

@strong{Deprecated:} Use the PKCS 11 interfaces instead.
@end deftypefun
