get_result_buffer
outptr = outbuf = get_result_buffer(param, param_size, &len);
deps = get_result_buffer(param, param_size, &len);
char *result = get_result_buffer(param, param_size, &maxlen);
nl = orig_nl = get_result_buffer(param, param_size, &len);
vers = get_result_buffer(param, param_size, &len);