/* sort1.c: Sort integers with qsort() */

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

#define NELEMS 4

static int icomp(const void *, const void *);

main()
{
    size_t i;
    int some_ints[NELEMS] = {40, 12, 37, 15};

    qsort(some_ints,NELEMS,sizeof some_ints[0], icomp);

    for (i = 0; i < NELEMS; ++i)
        printf("%d\n",some_ints[i]);
    return 0;
}

static int icomp(const void *p1, const void *p2)
{
    int a = * (int *) p1;
    int b = * (int *) p2;

    return a - b;
}

/* Output:
12
15
37
40
*/
