#include <stdio.h>
#include <unistd.h>
#include <pthread.h>
#include <semaphore.h>
int main()
{
	sem_t s;
	//sem_init(&s,1,0);
	pid_t pid=fork();
	if (pid>0)
	{
	printf("spawned %d\n",pid);
	//sem_wait(&s);
	int val;
	waitpid(pid,&val,0);
	}
	else if (pid==0)
	{
	//sem_post(&s);
	printf("child\n");
	}
	else
	{
	printf("error\n");
	}
}