Source position: gnutls.pp line 1169
type tgnutls_certificate_retrieve_function = function(
a: Tgnutls_session_t;
req_ca_rdn: Pgnutls_datum_t;
nreqs: cint;
pk_algos: Pgnutls_pk_algorithm_t;
pk_algos_length: cint;
st: Pgnutls_retr2_st
):cint;