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int main()
{
int test = 0;
pid_t fork_resault;
fork_resault = fork();
if(fork_resault == 0){
sleep(5);
test++;
printf("child: test = %d, &test = %X\n",test, &test);
} else {
test ++;
printf("parent: test = %d, &test = %X\n",test, &test);
}
}