#define __STDC_WANT_LIB_EXT1__ 1
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

char *CharVect[] = { "last", "middle", "first" };

int compare( const void *op1, const void *op2, void *context )
{
    const char **p1 = (const char **) op1;
    const char **p2 = (const char **) op2;
    return( strcmp( *p1, *p2 ) );
}

void main()
{
    void * context = NULL;
    qsort_s( CharVect, sizeof(CharVect)/sizeof(char *),
          sizeof(char *), compare, context );
    printf( "%s %s %s\n",
            CharVect[0], CharVect[1], CharVect[2] );
}