#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>

#define SEMKEY  75
int semid;
unsigned int cont;
struct sembuf psembuf;
       
main()
{
	int i, fd, primo, secondo;
	char ch;
	unsigned short initarray[1];

	semid=semget(SEMKEY,1,0777|IPC_CREAT);
	initarray[0]=1;
	semctl(semid,1,SETALL,initarray);




}