Qsort - Clang 5.0.0

#include <stdlib.h>
#include <iostream>

int sort_function( const void* a, const void* b)  {
    return( strcmp((char*)a,(char*)b) );
}

const   int    N       = 5;
typedef char   str[4];
        str    list[N] = { "cat", "car", "cab", "cap", "can" };

int main()  {
   qsort((void*)list, N, sizeof(str), sort_function);

   for (auto x : list)  std::cout << x << "\n";

   getchar();
   return 0;
}