Spare       [10]uint64
	Namemax     uint32
	Owner       uint32
	Fsid        Fsid
	Charspare   [80]int8
	Fstypename  [16]int8
	Mntfromname [1024]int8
	Mntonname   [1024]int8
}

type Flock_t struct {
	Start     int64
	Len       int64
	Pid       int32
	Type      int16
	Whence    int16
	Sysid     int32
	Pad_cgo_0 [4]byte
}

type Dirent struct {
	Fileno uint64
	Off    int64

	Spare       [10]uint64
	Namemax     uint32
	Owner       uint32
	Fsid        Fsid
	Charspare   [80]int8
	Fstypename  [16]int8
	Mntfromname [1024]int8
	Mntonname   [1024]int8
}

type Flock_t struct {
	Start     int64
	Len       int64
	Pid       int32
	Type      int16
	Whence    int16
	Sysid     int32
	Pad_cgo_0 [4]byte
}

type Dirent struct {
	Fileno uint64
	Off    int64

}

type Timeval struct {
	Sec  int64
	Usec int64
}

type timeval_zos struct { //correct (with padding and all)
	Sec  int64
	_    [4]byte // pad
	Usec int32
}

type Tms struct { //clock_t is 4-byte unsigned int in zos
	Utime  uint32
	Stime  uint32
	Cutime uint32
	Cstime uint32
}

type Time_t int64

type Utimbuf struct {
	Actime  int64
	Modtime int64
}

type Utsname struct {

	F_owner       uint32
	F_ctime       uint64
	F_fstypename  [16]int8
	F_mntonname   [90]int8
	F_mntfromname [90]int8
	F_mntfromspec [90]int8
	Pad_cgo_0     [2]byte
	Mount_info    [160]byte
}

type Flock_t struct {
	Start  int64
	Len    int64
	Pid    int32
	Type   int16
	Whence int16
}

type Dirent struct {
	Fileno       uint64
	Off          int64
	Reclen       uint16
	Type         uint8

	return err
}

// setlkw calls FcntlFlock with F_SETLKW for the entire file indicated by fd.
func setlkw(fd uintptr, lt lockType) error {
	for {
		err := syscall.FcntlFlock(fd, syscall.F_SETLKW, &syscall.Flock_t{
			Type:   int16(lt),
			Whence: io.SeekStart,
			Start:  0,
			Len:    0, // All bytes.
		})
		if err != syscall.EINTR {
			return err
		}
	}

	Spare       [10]uint64
	Namemax     uint32
	Owner       uint32
	Fsid        Fsid
	Charspare   [80]int8
	Fstypename  [16]int8
	Mntfromname [1024]int8
	Mntonname   [1024]int8
}

type Flock_t struct {
	Start  int64
	Len    int64
	Pid    int32
	Type   int16
	Whence int16
	Sysid  int32
}

type Dirent struct {
	Fileno uint64
	Off    int64
	Reclen uint16
	Type   uint8

	Spare       [10]uint64
	Namemax     uint32
	Owner       uint32
	Fsid        Fsid
	Charspare   [80]int8
	Fstypename  [16]int8
	Mntfromname [1024]int8
	Mntonname   [1024]int8
}

type Flock_t struct {
	Start     int64
	Len       int64
	Pid       int32
	Type      int16
	Whence    int16
	Sysid     int32
	Pad_cgo_0 [4]byte
}

type Dirent struct {
	Fileno uint64
	Off    int64

	S_IRWXO  = C.S_IRWXO
)

const (
	_statfsVersion = C.STATFS_VERSION
	_dirblksiz     = C.DIRBLKSIZ
)

type Stat_t C.struct_stat

type Statfs_t C.struct_statfs

type Flock_t C.struct_flock

type Dirent C.struct_dirent

type Fsid C.struct_fsid

// File system limits

const (
	pathMax = C.PATH_MAX
)

// Sockets

	F_owner       uint32
	F_ctime       uint64
	F_fstypename  [16]int8
	F_mntonname   [90]int8
	F_mntfromname [90]int8
	F_mntfromspec [90]int8
	Pad_cgo_0     [2]byte
	Mount_info    [160]byte
}

type Flock_t struct {
	Start  int64
	Len    int64
	Pid    int32
	Type   int16
	Whence int16
}

type Dirent struct {
	Fileno       uint64
	Off          int64
	Reclen       uint16
	Type         uint8

	Asyncwrites int64
	Fstypename  [16]byte
	Mntonname   [80]byte
	Syncreads   int64
	Asyncreads  int64
	Spares1     int16
	Mntfromname [80]byte
	Spares2     int16
	Spare       [2]int64
}

type Flock_t struct {
	Start  int64
	Len    int64
	Pid    int32
	Type   int16
	Whence int16
}

type Dirent struct {
	Fileno  uint64
	Namlen  uint16
	Type    uint8
	Unused1 uint8
	Unused2 uint32