/* link this with main.c in this same directory (or 2.c or 3.c) */


#include <stdio.h>


void sortfile(FILE *in, FILE *out)
{
    int n, a[100], i;
    extern void sort(int *a, int size);
    for (n = 0; n < 100 && fscanf(in, "%d", &a[n]) == 1; n++)
	;
    sort(a, n);
    for (i = 0; i < n; i++)
	fprintf(out, "%d\n", a[i]);
}


void sort(int *a, int size)
{
    int i, j, t;

    for (i = 0; i < size; i++) {
        for (j = 0; j < size - 1; j++) {
            if (a[j] > a[j+1]) {
                /* swap */
                t = a[j];
                a[j] = a[j+1];
                a[j+1] = t;
            }
        }
    }
}