/***
 File Name : qsort_example.c
 Purpose :
 Creation Date : 09-02-2010
 Last Modified : Di 09 Feb 2010 19:57:06 CET
 Created By :  
 ***/
#include <string.h>
#include <stdlib.h>
#include <stdio.h>


int find(char x, char *l)
{
    int i;
    for (i=0; l[i] != x; i++);
    return i;
}

static int cmp(const void *a, const void *b)
{
    /*char A[] = "rovhupdtjbxwaqzleimfgcksny\0";*/
    char A[] = "abcdefghijklmnopqrstuvwxyz\0";
    int x = find(*(char*)a, A), y = find(*(char*)b, A);
    if (x==y) return 0;
    else if (x<y) return -1;
    else if (x>y) return  1;
}

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

    qsort(&argv[1], argc - 1, sizeof(char*), cmp);
    for (i=1; i < argc; ++i) printf("%s\n", argv[i]);
    return 0;
}