ret_sec_buffer
CHECK(ret_sec_buffer(in, &domain), 0);
CHECK(ret_sec_buffer(in, &hostname), 0);
CHECK(ret_sec_buffer(in, &targetname), 0);
CHECK(ret_sec_buffer(in, &targetinfo), 0);
CHECK(ret_sec_buffer(in, &lm), 0);
CHECK(ret_sec_buffer(in, &ntlm), 0);
CHECK(ret_sec_buffer(in, &target), 0);
CHECK(ret_sec_buffer(in, &username), 0);
CHECK(ret_sec_buffer(in, &ws), 0);
CHECK(ret_sec_buffer(in, &sessionkey), 0);