_FCNR_FSPRIV
#define LFCNREWIND _FCNR_FSPRIV('L', 6, int)
#define LFCNINVAL _FCNR_FSPRIV('L', 7, int)
#define LFCNRESIZE _FCNR_FSPRIV('L', 8, int)
#define LFCNWRAPSTOP _FCNR_FSPRIV('L', 9, int)
#define LFCNWRAPGO _FCNR_FSPRIV('L', 10, int)
#define LFCNWRAPPASS _FCNR_FSPRIV('L', 12, int)
#define LFCNSEGWAITALL _FCNR_FSPRIV ('L', 14, struct timeval)
#define LFCNSEGWAIT _FCNR_FSPRIV ('L', 15, struct timeval)
#define LFCNAUTOCLEAN _FCNR_FSPRIV('L', 24, struct lfs_autoclean_params)
#define LFCNSEGWAITALL_COMPAT_50 _FCNR_FSPRIV('L', 0, struct timeval50)
#define LFCNSEGWAIT_COMPAT_50 _FCNR_FSPRIV('L', 1, struct timeval50)