


#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int comp(unsigned char **, unsigned char **);
unsigned char *list[] = { "cat", "car", "cab",
                          "cap", "can" };

main()
     {
     int x;

     qsort(list, 5, sizeof(unsigned char *), comp);
     for (x = 0; x < 5; x++)
          printf("%s\n", list[x]);
     return 0;
     }

int comp(unsigned char **a, unsigned char **b)
     {
     return strcmp(*a, *b);
      }


