var i04 int8 = -127
	var i05 int8 = -128
	var i06 int8 = +127
	assert(i01 == i00+1, "i01")
	assert(i02 == -i01, "i02")
	assert(i03 == -i04, "i03")
	assert(-(i05+1) == i06, "i05")

	// int16
	var i10 int16 = 0
	var i11 int16 = 1
	var i12 int16 = -1
	var i13 int16 = 32767
	var i14 int16 = -32767
	var i15 int16 = -32768
	var i16 int16 = +32767
	assert(i11 == i10+1, "i11")
	assert(i12 == -i11, "i12")

	Nlen   uint8
	Alen   uint8
	Slen   uint8
	Data   [46]int8
}

type RawSockaddr struct {
	Len    uint8
	Family uint8
	Data   [14]int8
}

type RawSockaddrAny struct {
	Addr RawSockaddr
	Pad  [92]int8
}

type _Socklen uint32

type Xucred struct {
	Version uint32
	Uid     uint32
	Ngroups int16
	Groups  [16]uint32
	_       *byte
}

type Linger struct {

	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

	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
	Name    [256]int8
}

type Fsid struct {
	Val [2]int32

	F_namemax     uint32
	F_owner       uint32
	F_ctime       uint64
	F_fstypename  [16]int8
	F_mntonname   [90]int8
	F_mntfromname [90]int8
	F_mntfromspec [90]int8
	Pad_cgo_1     [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

	Unit      uint32
	X_f       [0]int8
	Pad_cgo_1 [4]byte
}

type Utsname struct {
	Sysname    [65]int8
	Nodename   [65]int8
	Release    [65]int8
	Version    [65]int8
	Machine    [65]int8
	Domainname [65]int8
}

type Ustat_t struct {
	Tfree     int32
	Pad_cgo_0 [4]byte
	Tinode    uint64
	Fname     [6]int8
	Fpack     [6]int8
	Pad_cgo_1 [4]byte
}

	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

	F_namemax     uint32
	F_owner       uint32
	F_ctime       uint64
	F_fstypename  [16]int8
	F_mntonname   [90]int8
	F_mntfromname [90]int8
	F_mntfromspec [90]int8
	Pad_cgo_1     [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