#ifndef _LINUX_BSEARCH_H
  #define _LINUX_BSEARCH_H
  
  #include <linux/types.h>
  
  void *bsearch(const void *key, const void *base, size_t num, size_t size,
  	      int (*cmp)(const void *key, const void *elt));
  
  #endif /* _LINUX_BSEARCH_H */