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

static int cmpstringp(const void *p1, const void *p2)
{
    /* The actual arguments to this function are "pointers to
       pointers to char", but strcmp() arguments are "pointers
       to char", hence the following cast plus dereference */
   char * const * p1a = p1;
   char * const * p2a = p2;
   return strcmp(*p1a, *p2a);
}

int
main(int argc, char *argv[])
{
    int j;

   assert(argc > 1);

   qsort(&argv[1], argc - 1, sizeof(char *), cmpstringp);

   for (j = 1; j < argc; j++)
        puts(argv[j]);
    exit(EXIT_SUCCESS);
}