#include <stdio.h>
#include <sys/ipc.h>
#include <time.h>
#include <sys/msg.h>
#include <sys/shm.h>
#include <stdlib.h>

int main ()
{
	int shmID;
       int *s;
        shmID = shmget(1000,sizeof(int)*3, 0666 | IPC_CREAT);
        printf("shmID = %d\n",shmID);
        if(shmID < 0){
		printf("error\n");
        }
        
       s= (int *)shmat(shmID, NULL, 0);
        printf("values:\n %d\n%d\n%d\n",s[0],s[1],s[2]);
        shmdt(s);
        // shmctl(shmID , IPC_RMID, NULL);
        return 0;
}