@deftypefun {const gnutls_digest_algorithm_t *} {gnutls_digest_list} ( @var{void})

Get a list of hash (digest) algorithms supported by GnuTLS.

This function is not thread safe.

@strong{Returns:} Return a (0)-terminated list of @code{gnutls_digest_algorithm_t} 
integers indicating the available digests.
@end deftypefun