some-usable-scripts/C_Language/TP_SYS/tp_sema/sema.h

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#include <stdlib.h>
#include <assert.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdarg.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>
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void erreur(char *s);
int creat_sem(key_t cle, ushort val);
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int del_sem(key_t cle);
int open_sem(key_t cle);
void P(int semid);
void V(int semid);