Source position: gnutls.pp line 1617
var gnutls_prf_rfc5705: function(
session: Tgnutls_session_t;
label_size: Tsize_t;
_label: Pchar;
context_size: Tsize_t;
context: Pchar;
outsize: Tsize_t;
outs: Pchar
):LongInt;