dev/c/fork_ex/fork_address_space.c

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

int main(int argc, char *argv[])
{
	int a;

	for (a = 0; a < 3; a++)
		fork();

	printf("%lu\n", (unsigned long)&a);

	return EXIT_SUCCESS;
}