Mine

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

/* Program for creating a sudoku */

/* Seed the rand() function */
void plant_seed()
{
	time_t Seconds;
	time(&Seconds);
	srand((unsigned int) Seconds);
}

int get_urandom(FILE *fp)
{
	int rnd;
	fread(&rnd, sizeof(int), 1, fp);
	rnd=(rnd % 5)+5;
	return rnd;
}

void fill_grid(int *grid)
{
	int y;
	int x;

	FILE *fp = fopen("/dev/urandom", "r");
	plant_seed();

	for ( y = 0; y < 9; y++ )
	{
		for ( x = 0; x < 9; x++ )
		{
			grid[y][x]=get_urandom(fp);
		}
	}
}

int main()
{
	int grid[9][9];
	fill_grid(*grid);

	int y;
	int x;
	for ( y = 0; y < 9; y++ )
	{
		for ( x = 0; x < 9; x++ )
		{
			printf( "%i", grid[y][x] );
		}
	printf( "\n" );
	}
}