SO_UNSET                        = 0x0400
	SO_USELOOPBACK                  = 0x0040
	SO_USE_IFBUFS                   = 0x0400
	S_ISUID                         = 0x0800
	S_ISGID                         = 0x0400
	S_ISVTX                         = 0x0200
	S_IRUSR                         = 0x0100
	S_IWUSR                         = 0x0080
	S_IXUSR                         = 0x0040
	S_IRWXU                         = 0x01C0

const (
	WSA_FLAG_OVERLAPPED        = 0x01
	WSA_FLAG_NO_HANDLE_INHERIT = 0x80

	WSAEINVAL       syscall.Errno = 10022
	WSAEMSGSIZE     syscall.Errno = 10040
	WSAEAFNOSUPPORT syscall.Errno = 10047

	MSG_PEEK   = 0x2
	MSG_TRUNC  = 0x0100
	MSG_CTRUNC = 0x0200

	socket_error = uintptr(^uint32(0))
)

var WSAID_WSASENDMSG = syscall.GUID{

	DNS_TYPE_MB      = 0x0007
	DNS_TYPE_MG      = 0x0008
	DNS_TYPE_MR      = 0x0009
	DNS_TYPE_NULL    = 0x000a
	DNS_TYPE_WKS     = 0x000b
	DNS_TYPE_PTR     = 0x000c
	DNS_TYPE_HINFO   = 0x000d
	DNS_TYPE_MINFO   = 0x000e
	DNS_TYPE_MX      = 0x000f
	DNS_TYPE_TEXT    = 0x0010
	DNS_TYPE_RP      = 0x0011
	DNS_TYPE_AFSDB   = 0x0012
	DNS_TYPE_X25     = 0x0013
	DNS_TYPE_ISDN    = 0x0014
	DNS_TYPE_RT      = 0x0015

		{0x005F, 0x005F, 1},
		{0x0061, 0x007A, 1},
		{0x00C0, 0x00D6, 1},
		{0x00D8, 0x00F6, 1},
		{0x00F8, 0x00FF, 1},
		{0x0100, 0x0131, 1},
		{0x0134, 0x013E, 1},
		{0x0141, 0x0148, 1},
		{0x014A, 0x017E, 1},
		{0x0180, 0x01C3, 1},
		{0x01CD, 0x01F0, 1},
		{0x01F4, 0x01F5, 1},
		{0x01FA, 0x0217, 1},
		{0x0250, 0x02A8, 1},
		{0x02BB, 0x02C1, 1},
		{0x0386, 0x0386, 1},

var first = [256]uint8{
	//   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F
	as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, // 0x00-0x0F
	as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, // 0x10-0x1F
	as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, // 0x20-0x2F
	as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, // 0x30-0x3F

	// XOR.
	if msbSet {
		double.low ^= 0xe100000000000000
	}

	return
}

var gcmReductionTable = []uint16{
	0x0000, 0x1c20, 0x3840, 0x2460, 0x7080, 0x6ca0, 0x48c0, 0x54e0,
	0xe100, 0xfd20, 0xd940, 0xc560, 0x9180, 0x8da0, 0xa9c0, 0xb5e0,
}

// mul sets y to y*H, where H is the GCM key, fixed during NewGCMWithNonceSize.
func (g *gcm) mul(y *gcmFieldElement) {

}

const (
	LOOKUP_SYMLINK_FOLLOW = 0x00000001
)

const (
	OFLAG_CREATE    = 0x0001
	OFLAG_DIRECTORY = 0x0002
	OFLAG_EXCL      = 0x0004
	OFLAG_TRUNC     = 0x0008
)

const (
	FDFLAG_APPEND   = 0x0001
	FDFLAG_DSYNC    = 0x0002
	FDFLAG_NONBLOCK = 0x0004
	FDFLAG_RSYNC    = 0x0008
	FDFLAG_SYNC     = 0x0010
)

const (
	RIGHT_FD_DATASYNC = 1 << iota
	RIGHT_FD_READ
	RIGHT_FD_SEEK

	MOVD     $0xc0, R10
	LXVD2X   (HTBL)(R8), VH4L  // load H^4
	MOVD     $0x10, R8
	LXVD2X   (HTBL)(R9), VH4
	MOVD     $0x20, R9
	LXVD2X   (HTBL)(R10), VH4H
	MOVD     $0x30, R10

	VSLDOI  $8, ZERO, T1, T2   // 0x0000..0808
	VADDUBM T0, T2, HIPERM     // 0x0001..1617
	VADDUBM T1, HIPERM, LOPERM // 0x0809..1e1f

	SRD $4, LEN, LEN // this allows to use sign bit as carry

	LXVD2X (INP)(R0), VIN0       // load input

#ifndef WIN32
#include <pthread.h>
#include <signal.h>
#endif

// alignment tests

typedef unsigned char Uint8;
typedef unsigned short Uint16;

typedef enum {
 MOD1 = 0x0000,
 MODX = 0x8000
} SDLMod;

typedef enum {
 A1 = 1,
 B1 = 322,
 SDLK_LAST
} SDLKey;

typedef struct SDL_keysym {
	Uint8 scancode;
	SDLKey sym;
	SDLMod mod;
	Uint16 unicode;
} SDL_keysym;