#include <pthread.h>
#include <stdio.h>

int value = 0;
void *runner(void *param); /* the thread */

int main(int argc, char *argv[])
{
int pid;
pthread_t tid;
pthread_attr_t attr;

	pid = fork();

	if (pid == 0) {/* child process */
		pthread_attr_init(&attr);
		pthread_create(&tid,&attr,runner,NULL);
		pthread_join(tid,NULL);
		printf("CHILD: value = %d\n",value); /* LINE C */
	}
	else if (pid > 0) {/* parent process */
		wait(NULL);
		printf("PARENT: value = %d\n",value); /* LINE P */
	}
}

void *runner(void *param) {
	value = 5;
	pthread_exit(0);
}