What C preprocessor conditional should I use for OS X specific code?

Question

What C preprocessor conditional should I use for OS X specific code? I need to include a specific library if I am compiling for OS X or a different header if I am compiling for

Answer 1

This code example may help you -

if defined(__APPLE__)
#include "TargetConditionals.h"
  if (!defined(TARGET_OS_IPHONE) && !defined(TARGET_IPHONE_SIMULATOR))
 {
   //write your OSX specific code here
 }