3.18 Example: unincat

   /*  exncat.c - Sample code for unincat.    
       Append n characters of second string onto first string. 
   */ 
           
   #include <nunicode.h> 
   #include <assert.h> 
   
   void main(void) 
   { 
     unicode  s1[20]; 
     punicode ret; 
      
     unicpy(s1, L"Star"); 
      
     ret = unincat(s1, L"Fisherman", 4);       /* Result is "StarFish" */ 
      
     assert (unicmp(ret, L"StarFish") == 0); 
     assert (ret == s1); 
   }