/* prototypes for semaphore and shared memory routines */

int swait(int);
int swaitn(int, int);
int ssignal(int);
int ssignaln(int, int);
int screate(int);
int sdelete(int);
int scount(int);
int sreset(int, int);
char *shmcreate(int);
int shmdelete(char *);