3.23 Example: unipbrk

   /*  expbrk.c - Sample code for unipbrk. 
           
       Returns a pointer to the first occurrence in s1  
       of any character in s2. 
   */ 
           
   #include <nunicode.h> 
   #include <assert.h> 
   
   void main(void) 
   { 
     punicode ret; 
      
     /* Search for the first dot, colon, or backslash character.  */ 
     ret = unipbrk(L"server\\vol:file.ext", L".:\\"); 
      
     /* ret points to the backslash character. */ 
     assert (*ret == ’\\’); 
   }