#include <stdio.h>
#include <sys/ipc.h>
#include <sys/shm.h>

int main() {
    void *shared_memory;
    char buffer[100];
    int shmid;

    // Create or access shared memory
    shmid = shmget((key_t)1222, 1024, 0666);
    printf("Key of the shared memory is: %d\n", shmid);

    // Attach the shared memory
    shared_memory = shmat(shmid, NULL, 0);
    printf("Process attached at: %p\n", shared_memory);

    // Read data from shared memory
    printf("Data read from shared memory is: %s\n", (char *)shared_memory);

    return 0;
}