#include<stdio.h>
#include<sys/ipc.h>
#include<sys/shm.h>
#include<sys/types.h>
#include<string.h>
main()
{
char *ptr;
int shmid;
shmid=shmget(12,200,IPC_CREAT|0666);
ptr=shmat(shmid,0,0);
if(ptr==-1)
{
perror("shmat");
return;
}
printf("shm segment is attached \n");
strcpy(ptr,"narendra reddy chamala");
printf("%s\n",ptr);
shmdt(ptr);
}