linux.conf.au, January 2003
      PRACTICALITIES: GCC/ISO C Extensions

Named structure initializers
 		struct foo bar = {
 	 		.func = myfunc,
 	 	};

inline functions
 		static inline int myfunc(void)
 	 	{
 	 		return -ENOSYS;
 	 	}

Variable argument macros
 		#define DEBUG(x,...) printk(KERN_DEBUG x , __VA_ARGS__)