/I386_ONLY/c #if defined(__i386__) #define I386_ONLY #else /* !__i386__ */ #undef I386_ONLY #endif /* __i386__ */ . /SIXTY_FOUR_BIT$/a . .,.+1c #ifdef __LP64__ #define SIXTY_FOUR_BIT #undef THIRTY_TWO_BIT #else /* !__LP64__ */ #undef SIXTY_FOUR_BIT #define THIRTY_TWO_BIT #endif /* __LP64__ */ . w