#include <mqueue.h>

#define T(t) (t*)0;

#define F(t,n) {t *y = &x.;;}

static void f()

{

T(mqd_t)

T(pthread_attr_t)

T(size_t)

T(ssize_t)

T(struct timespec)

T(struct sigevent)

{

struct mq_attr x;

F(long, mq_flags)

F(long, mq_maxmsg)

F(long, mq_msgsize)

F(long, mq_curmsgs)

}

int(*p_mq_close)(mqd_t) = mq_close;

int(*p_mq_getattr)(mqd_t,struct mq_attr*) = mq_getattr;

int(*p_mq_notify)(mqd_t,const struct sigevent*) = mq_notify;

mqd_t(*p_mq_open)(const char*,int,...) = mq_open;

ssize_t(*p_mq_receive)(mqd_t,char*,size_t,unsigned*) = mq_receive;

int(*p_mq_send)(mqd_t,const char*,size_t,unsigned) = mq_send;

int(*p_mq_setattr)(mqd_t,const struct mq_attr*restrict,struct mq_attr*restrict) = mq_setattr;

int(*p_mq_unlink)(const char*) = mq_unlink;

#include <time.h>

ssize_t(*p_mq_timedreceive)(mqd_t,char*restrict,size_t,unsigned*restrict,const struct timespec*restrict) = mq_timedreceive;

int(*p_mq_timedsend)(mqd_t,const char*,size_t,unsigned,const struct timespec*) = mq_timedsend;

}