bsearch

   Performs a binary search. It searches an array of sorted objects
   for a specified object.

   Format

     #include  <stdlib.h>

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

Additional information available:

Function_Variants               Arguments       Description     Return_Values
Example