#include <sys/ipc.h>

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

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

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

static void f()

{

T(uid_t)

T(gid_t)

T(mode_t)

T(key_t)

{

struct ipc_perm x;

F(uid_t,uid)

F(gid_t,gid)

F(uid_t,cuid)

F(gid_t,cgid)

F(mode_t, mode)

}

C(IPC_CREAT)

C(IPC_EXCL)

C(IPC_NOWAIT)

C(IPC_PRIVATE)

C(IPC_RMID)

C(IPC_SET)

C(IPC_STAT)

{key_t(*p)(const char*,int) = ftok;}

}