#include <sys/types.h>
#include <stdio.h>
#include <unistd.h>

int main()
{

/* Identifier for the shared memory segment */
int segment_id;=
/* Pointer to the shared memory segment */
char*shared_memory;
/* Size (in bytes) of the shared memory segment */
const int size = 4096;

/* Writes the string to the shared memory segment */
sprintf(shared_memory, "raaabcc");

{
pid_t pid;

/*child process */
pid = fork();

if (pid < 0) {/* error occurred */
fprintf(stderr, "Fork Failed");
exit(-1);
}
else if (pid == 0) {/* child process */

/* Child detaches shared memory segment */
shmdt(shared_memory);

*/ Writes new string to shared memory */
sprintf(shared_memory, "d3a1b2c");
execlp("/bin/ls","ls",NULL);

}
else {/* parent process */
/* Parent waits for child to finish */
wait(NULL)

/* Prints out the string from shared memory */
printf("*%s\n", shared_memory);

/* Detaches the shared memory segment */
shmdt(shared_memory);

/* Removes the shared memory segment */
shmctl(segment_id, IPC_RMID, NULL);

/* Ends Program */
return 0;
}