#include <stdio.h>
#include <stdlib.h>
#include "myheader.h"

int main()
{
    char dist[][30] = {"1 km", "999 m", "10 cm"};
    int i;
    qsort(&dist[0][0], 3, sizeof(char [30]), foo);
    for (i = 0; i < 3; ++i)
        puts(dist[i]);
    return EXIT_SUCCESS;
}