#include <stdio.h>

void rseed (unsigned int seed);
unsigned int rand (void);

#define NDIM   10

// global array
int a[NDIM];

void init(unsigned int seed)
{
    rseed(seed);

    for(int i = 0; i < NDIM; i++)
    {
        a[i] = rand();
    }
}

// buble sort of a global array
void sort()
{
    int i, j;
    int t;
    for (i = 0; i < NDIM; i++)
    {
        for (j = 0; j < NDIM - i - 1; j++)
        {
             if (a[j] > a[j+1])
             {
                 t = a[j];
                 a[j] = a[j+1];
                 a[j+1] = t;
             }
        }
    }
}

int main(void)
{
    unsigned int s = 10;
    init(s);

    for(int i = 0; i < NDIM; i++)
    {
         printf("%10d\n", a[i]);
    }

    sort();

    printf("\n");

    for(int i = 0; i < NDIM; i++)
    {
         printf("%10d\n", a[i]);
    }

    return 0;
}

static unsigned int xrand = 1;

void rseed (unsigned int seed)
{
    xrand = seed;
}

unsigned int rand (void)
{
    xrand = xrand * 1103515245 + 12345;
    return (unsigned int) (xrand % 2147483648);
}