bsearch

The function signature of bsearch

  bsearch(const void *, const void *, size_t,
  size_t,   int (*)(const void *, const void *));

is replaced by

  extern "C" void *bsearch
  (const void * key, const void * base, 
  size_t nmemb, size_t size, 
  int (* compar)(const void *, const void *));

and

  extern "C++" void *bsearch
  (const void * key, const void * base, 
  size_t nmemb, size_t size, 
  int (* compar)(const void *, const void *));