@deftypefun {void} {gnutls_tdb_set_store_func} (gnutls_tdb_t @var{tdb}, gnutls_tdb_store_func @var{store})
@var{tdb}: The trust storage

@var{store}: The storage function

This function will associate a storage function with the
trust storage structure. The function is of the following form.

int gnutls_tdb_store_func(const char* db_name, const char* host,
const char* service, time_t expiration,
const gnutls_datum_t* pubkey);

The  @code{db_name} should be used to pass any private data to this function.
@end deftypefun