text: #ifndef STDDEF_H
  #define STDDEF_H
  
  #include <stdint.h>
  
  typedef int64_t ptrdiff_t;
  typedef uint64_t size_t;
  
  #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
  #define NULL ((void*)0)
  
  #endif /* STDDEF_H */
  