#include <sys/msg.h>

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

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

#define C(n) switch(n){case n:;}

static void f()

{

T(msgqnum_t)

T(msglen_t)

T(pid_t)

T(size_t)

T(ssize_t)

T(time_t)

C(MSG_NOERROR)

{

struct msqid_ds x;

F(struct ipc_perm, msg_perm)

F(msgqnum_t, msg_qnum)

F(msglen_t,msg_qbytes)

F(pid_t, msg_lspid)

F(pid_t, msg_lrpid)

F(time_t, msg_stime)

F(time_t, msg_rtime)

F(time_t,msg_ctime)

}

int(*p_msgctl)(int,int,struct msqid_ds*) = msgctl;

int(*p_msgget)(key_t,int) = msgget;

ssize_t(*p_msgrcv)(int,void*,size_t,long,int) = msgrcv;

int(*p_msgsnd)(int,const void*,size_t,int) = msgsnd;

}