#include <stddef.h>
#include <stdio.h>
#include <sys/sem.h>
#include <sys/shm.h>
#include <sys/msg.h>
#include <sys/stat.h>

#define O(s,m) printf("offsetof(%s, %s)==%zd\n", #s, #m, offsetof(s,m))

int main()
{
	O(struct semid_ds, sem_perm);
	O(struct semid_ds, sem_otime);
	O(struct semid_ds, sem_ctime);
	O(struct semid_ds, sem_nsems);

	O(struct shmid_ds, shm_perm);
	O(struct shmid_ds, shm_segsz);
	O(struct shmid_ds, shm_atime);
	O(struct shmid_ds, shm_dtime);
	O(struct shmid_ds, shm_ctime);
	O(struct shmid_ds, shm_cpid);
	O(struct shmid_ds, shm_lpid);
	O(struct shmid_ds, shm_nattch);

	O(struct msqid_ds, msg_perm);
	O(struct msqid_ds, msg_stime);
	O(struct msqid_ds, msg_rtime);
	O(struct msqid_ds, msg_ctime);
	O(struct msqid_ds, msg_cbytes);
	O(struct msqid_ds, msg_qnum);
	O(struct msqid_ds, msg_qbytes);
	O(struct msqid_ds, msg_lspid);
	O(struct msqid_ds, msg_lrpid);

	O(struct stat, st_dev);
	O(struct stat, st_ino);
	O(struct stat, st_mode);
	O(struct stat, st_nlink);
	O(struct stat, st_uid);
	O(struct stat, st_gid);
	O(struct stat, st_rdev);
	O(struct stat, st_size);
	O(struct stat, st_blksize);
	O(struct stat, st_blocks);
	O(struct stat, st_atim);
	O(struct stat, st_mtim);
	O(struct stat, st_ctim);
}