quicksort.c

/*
 * C Program To Sort array in ascending order using Quicksort.
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

#define SIZE 50000

static int compare(const void *a, const void *b)
{
    /* The pointers point to offsets into "array",
       so we need to dereference them to get at the strings. */

    return strcmp(*(const char **) a, *(const char **) b);
}

int main(int argc, char *argv[])
{
    str     page[SIZE];
    int     size = read(page);

   // create an array of random ints
   srand(time(NULL));
   for (int i = 0; i < SIZE; i++) array[i] = rand();

    qsort(page, size, sizeof(const char *), compare);

   // output array
   for (int i = 0; i < SIZE; i++) printf("%i\n", array[i]);

   return 0;
}