if (r > 0 && result && len_result)
{
if (fwrite(result, len_result, 1, stdout) != 1)
{
fprintf(stderr, "Write to stdout failed\n");
if (r > 0 && result && len_result)
{
if (fwrite(result, len_result, 1, stdout) != 1)
{
fprintf(stderr, "Write to stdout failed\n");