Pad  [96]int8
}

type Iovec struct {
	Base *byte
	Len  uint64
}

type Msghdr struct {
	Name       *byte
	Namelen    uint32
	Iov        *Iovec
	Iovlen     uint64
	Control    *byte
	Controllen uint64
	Flags      int32
	_          [4]byte
}

type Cmsghdr struct {
	Len   uint64
	Level int32
	Type  int32
}

type ifreq struct {
	Ifrn [16]byte

pkg syscall (freebsd-arm), type Msghdr struct
pkg syscall (freebsd-arm), type Msghdr struct, Control *uint8
pkg syscall (freebsd-arm), type Msghdr struct, Controllen uint32
pkg syscall (freebsd-arm), type Msghdr struct, Flags int32
pkg syscall (freebsd-arm), type Msghdr struct, Iov *Iovec
pkg syscall (freebsd-arm), type Msghdr struct, Iovlen int32
pkg syscall (freebsd-arm), type Msghdr struct, Name *uint8

pkg syscall (darwin-386), type Msghdr struct
pkg syscall (darwin-386), type Msghdr struct, Control *uint8
pkg syscall (darwin-386), type Msghdr struct, Controllen uint32
pkg syscall (darwin-386), type Msghdr struct, Flags int32
pkg syscall (darwin-386), type Msghdr struct, Iov *Iovec
pkg syscall (darwin-386), type Msghdr struct, Iovlen int32
pkg syscall (darwin-386), type Msghdr struct, Name *uint8

pkg syscall (netbsd-arm64), type Msghdr struct
pkg syscall (netbsd-arm64), type Msghdr struct, Controllen uint32
pkg syscall (netbsd-arm64), type Msghdr struct, Control *uint8
pkg syscall (netbsd-arm64), type Msghdr struct, Flags int32
pkg syscall (netbsd-arm64), type Msghdr struct, Iov *Iovec
pkg syscall (netbsd-arm64), type Msghdr struct, Iovlen int32
pkg syscall (netbsd-arm64), type Msghdr struct, Namelen uint32

pkg syscall (freebsd-arm64), type RtMsghdr struct, Msglen uint16
pkg syscall (freebsd-arm64), type RtMsghdr struct, Pad_cgo_0 [2]uint8
pkg syscall (freebsd-arm64), type RtMsghdr struct, Pid int32
pkg syscall (freebsd-arm64), type RtMsghdr struct, Rmx RtMetrics
pkg syscall (freebsd-arm64), type RtMsghdr struct, Seq int32
pkg syscall (freebsd-arm64), type RtMsghdr struct, Type uint8
pkg syscall (freebsd-arm64), type RtMsghdr struct, Version uint8

pkg syscall (darwin-arm64), type Msghdr struct
pkg syscall (darwin-arm64), type Msghdr struct, Control *uint8
pkg syscall (darwin-arm64), type Msghdr struct, Controllen uint32
pkg syscall (darwin-arm64), type Msghdr struct, Flags int32
pkg syscall (darwin-arm64), type Msghdr struct, Iov *Iovec
pkg syscall (darwin-arm64), type Msghdr struct, Iovlen int32
pkg syscall (darwin-arm64), type Msghdr struct, Name *uint8

pkg syscall (freebsd-riscv64), type RtMsghdr struct, Msglen uint16 #53466
pkg syscall (freebsd-riscv64), type RtMsghdr struct, Pad_cgo_0 [2]uint8 #53466
pkg syscall (freebsd-riscv64), type RtMsghdr struct, Pid int32 #53466
pkg syscall (freebsd-riscv64), type RtMsghdr struct, Rmx RtMetrics #53466
pkg syscall (freebsd-riscv64), type RtMsghdr struct, Seq int32 #53466

		{"MoveFile", Func, 0},
		{"Mprotect", Func, 0},
		{"Msghdr", Type, 0},
		{"Msghdr.Control", Field, 0},
		{"Msghdr.Controllen", Field, 0},
		{"Msghdr.Flags", Field, 0},
		{"Msghdr.Iov", Field, 0},
		{"Msghdr.Iovlen", Field, 0},
		{"Msghdr.Name", Field, 0},
		{"Msghdr.Namelen", Field, 0},
		{"Msghdr.Pad_cgo_0", Field, 0},
		{"Msghdr.Pad_cgo_1", Field, 0},
		{"Munlock", Func, 0},

		tty = s
	} else {
		tty = s[:idx]
	}
	return
}

func (iov *Iovec) SetLen(length int) {
	iov.Len = uint64(length)
}

func (msghdr *Msghdr) SetControllen(length int) {
	msghdr.Controllen = int32(length)
}

func (cmsg *Cmsghdr) SetLen(length int) {
	cmsg.Len = int32(length)
}

//sys   fcntl(fd int, cmd int, arg int) (val int, err error)

	SYS___REALPATH     = 115 // { int sys___realpath(const char *pathname, \
	SYS_RECVMMSG       = 116 // { int sys_recvmmsg(int s, struct mmsghdr *mmsg, \
	SYS_SENDMMSG       = 117 // { int sys_sendmmsg(int s,  struct mmsghdr *mmsg,\
	SYS_GETSOCKOPT     = 118 // { int sys_getsockopt(int s, int level, int name, \
	SYS_THRKILL        = 119 // { int sys_thrkill(pid_t tid, int signum, void *tcb); }