return Timeval{Sec: sec, Usec: int32(usec)}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {
	k.Ident = uint32(fd)
	k.Filter = int16(mode)
	k.Flags = uint16(flags)
}

func (iov *Iovec) SetLen(length int) {
	iov.Len = uint32(length)
}

func (msghdr *Msghdr) SetControllen(length int) {
	msghdr.Controllen = uint32(length)
}

func (cmsg *Cmsghdr) SetLen(length int) {
	cmsg.Len = uint32(length)

// backwards-compatible with older versions of Solaris and
// OpenSolaris-based derivatives.
#define __USE_SUNOS_SOCKETS__          // msghdr
#define __USE_LEGACY_PROTOTYPES__      // iovec
#include <dirent.h>
#include <fcntl.h>
#include <limits.h>
#include <signal.h>
#include <termios.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/param.h>

	return Timeval{Sec: sec, Usec: int32(usec)}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {
	k.Ident = uint32(fd)
	k.Filter = uint32(mode)
	k.Flags = uint32(flags)
}

func (iov *Iovec) SetLen(length int) {
	iov.Len = uint32(length)
}

func (msghdr *Msghdr) SetControllen(length int) {
	msghdr.Controllen = uint32(length)
}

func (cmsg *Cmsghdr) SetLen(length int) {
	cmsg.Len = uint32(length)

	Pad  [1012]uint8
}

type _Socklen uint32

type Cmsghdr struct {
	Len   uint32
	Level int32
	Type  int32
}

type ICMPv6Filter struct {
	Filt [8]uint32
}

type Iovec struct {
	Base *byte
	Len  uint64
}

type IPMreq struct {
	Multiaddr [4]byte /* in_addr */
	Interface [4]byte /* in_addr */
}

type IPv6Mreq struct {
	Multiaddr [16]byte /* in6_addr */

	return Timeval{Sec: sec, Usec: int32(usec)}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {
	k.Ident = uint32(fd)
	k.Filter = int16(mode)
	k.Flags = uint16(flags)
}

func (iov *Iovec) SetLen(length int) {
	iov.Len = uint32(length)
}

func (msghdr *Msghdr) SetControllen(length int) {
	msghdr.Controllen = uint32(length)
}

func (msghdr *Msghdr) SetIovlen(length int) {

	SYS_GETSOCKOPT               = 118 // { int getsockopt(int s, int level, int name, caddr_t val, int *avalsize); }
	SYS_READV                    = 120 // { int readv(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_WRITEV                   = 121 // { int writev(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_SETTIMEOFDAY             = 122 // { int settimeofday(struct timeval *tv, struct timezone *tzp); }

	SYS_GETSOCKOPT               = 118 // { int getsockopt(int s, int level, int name, caddr_t val, int *avalsize); }
	SYS_READV                    = 120 // { int readv(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_WRITEV                   = 121 // { int writev(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_SETTIMEOFDAY             = 122 // { int settimeofday(struct timeval *tv, struct timezone *tzp); }

	return Timeval{Sec: sec, Usec: usec}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {
	k.Ident = uint64(fd)
	k.Filter = int16(mode)
	k.Flags = uint16(flags)
}

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

func (msghdr *Msghdr) SetControllen(length int) {
	msghdr.Controllen = uint32(length)
}

func (cmsg *Cmsghdr) SetLen(length int) {
	cmsg.Len = uint32(length)

	return Timeval{Sec: sec, Usec: usec}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {
	k.Ident = uint64(fd)
	k.Filter = int16(mode)
	k.Flags = uint16(flags)
}

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

func (msghdr *Msghdr) SetControllen(length int) {
	msghdr.Controllen = uint32(length)
}

func (cmsg *Cmsghdr) SetLen(length int) {
	cmsg.Len = uint32(length)

	return Timeval{Sec: sec, Usec: usec}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {
	k.Ident = uint64(fd)
	k.Filter = int16(mode)
	k.Flags = uint16(flags)
}

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

func (msghdr *Msghdr) SetControllen(length int) {
	msghdr.Controllen = uint32(length)
}

func (msghdr *Msghdr) SetIovlen(length int) {