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#ifndef _SEMAPHORE_H
#define _SEMAPHORE_H
#ifdef __cplusplus
extern "C" {
#endif

#define __NEED_size_t
#define __NEED_ssize_t
#define __NEED_pthread_attr_t
#define __NEED_time_t
#define __NEED_struct_timespec
#include <bits/alltypes.h>

typedef int mqd_t;
struct mq_attr {
	long mq_flags, mq_maxmsg, mq_msgsize, mq_curmsgs, __unused[4];
};
struct sigevent;

int mq_close(mqd_t);
int mq_getattr(mqd_t, struct mq_attr *);
int mq_notify(mqd_t, const struct sigevent *);
mqd_t mq_open(const char *, int, ...);
ssize_t mq_receive(mqd_t, char *, size_t, unsigned *);
int mq_send(mqd_t, const char *, size_t, unsigned);
int mq_setattr(mqd_t, const struct mq_attr *, struct mq_attr *);
ssize_t mq_timedreceive(mqd_t, char *, size_t, unsigned *, const struct timespec *);
int mq_timedsend(mqd_t, const char *, size_t, unsigned, const struct timespec *);
int mq_unlink(const char *);

#ifdef __cplusplus
}
#endif
#endif