#if __WORDSIZE == 64
# define __PTHREAD_MUTEX_KIND_OFFSET 16
#else
# define __PTHREAD_MUTEX_KIND_OFFSET 12
#endif
# define __PTHREAD_RWLOCK_FLAGS_OFFSET 48
# if __BYTE_ORDER == __BIG_ENDIAN
# define __PTHREAD_RWLOCK_FLAGS_OFFSET 27
# else
# define __PTHREAD_RWLOCK_FLAGS_OFFSET 24
# endif