gluPickMatrix

// GLU32.dll
#include <windows.h>

void gluPickMatrix(
    DOUBLE x,
    DOUBLE y,
    DOUBLE width,
    DOUBLE height,
    INT* viewport
);

<DllImport("GLU32.dll", ExactSpelling:=True)>
Public Shared Sub gluPickMatrix(
    x As Double,   ' DOUBLE
    y As Double,   ' DOUBLE
    width As Double,   ' DOUBLE
    height As Double,   ' DOUBLE
    ByRef viewport As Integer   ' INT* in/out
)
End Sub

' x : DOUBLE
' y : DOUBLE
' width : DOUBLE
' height : DOUBLE
' viewport : INT* in/out
Declare PtrSafe Sub gluPickMatrix Lib "glu32" ( _
    ByVal x As Double, _
    ByVal y As Double, _
    ByVal width As Double, _
    ByVal height As Double, _
    ByRef viewport As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

gluPickMatrix = ctypes.windll.glu32.gluPickMatrix
gluPickMatrix.restype = None
gluPickMatrix.argtypes = [
    ctypes.c_double,  # x : DOUBLE
    ctypes.c_double,  # y : DOUBLE
    ctypes.c_double,  # width : DOUBLE
    ctypes.c_double,  # height : DOUBLE
    ctypes.POINTER(ctypes.c_int),  # viewport : INT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GLU32.dll')
gluPickMatrix = Fiddle::Function.new(
  lib['gluPickMatrix'],
  [
    Fiddle::TYPE_DOUBLE,  # x : DOUBLE
    Fiddle::TYPE_DOUBLE,  # y : DOUBLE
    Fiddle::TYPE_DOUBLE,  # width : DOUBLE
    Fiddle::TYPE_DOUBLE,  # height : DOUBLE
    Fiddle::TYPE_VOIDP,  # viewport : INT* in/out
  ],
  Fiddle::TYPE_VOID)

#[link(name = "glu32")]
extern "system" {
    fn gluPickMatrix(
        x: f64,  // DOUBLE
        y: f64,  // DOUBLE
        width: f64,  // DOUBLE
        height: f64,  // DOUBLE
        viewport: *mut i32  // INT* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GLU32.dll")]
public static extern void gluPickMatrix(double x, double y, double width, double height, ref int viewport);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GLU32_gluPickMatrix' -Namespace Win32 -PassThru
# $api::gluPickMatrix(x, y, width, height, viewport)

#uselib "GLU32.dll"
#func global gluPickMatrix "gluPickMatrix" double, double, double, double, sptr
; gluPickMatrix x, y, width, height, varptr(viewport)
; x : DOUBLE -> "double"
; y : DOUBLE -> "double"
; width : DOUBLE -> "double"
; height : DOUBLE -> "double"
; viewport : INT* in/out -> "sptr"

import (
	"math"
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	glu32 = windows.NewLazySystemDLL("GLU32.dll")
	procgluPickMatrix = glu32.NewProc("gluPickMatrix")
)

// x (DOUBLE), y (DOUBLE), width (DOUBLE), height (DOUBLE), viewport (INT* in/out)
r1, _, err := procgluPickMatrix.Call(
	uintptr(math.Float64bits(x)),
	uintptr(math.Float64bits(y)),
	uintptr(math.Float64bits(width)),
	uintptr(math.Float64bits(height)),
	uintptr(viewport),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。

procedure gluPickMatrix(
  x: Double;   // DOUBLE
  y: Double;   // DOUBLE
  width: Double;   // DOUBLE
  height: Double;   // DOUBLE
  viewport: Pointer   // INT* in/out
); stdcall;
  external 'GLU32.dll' name 'gluPickMatrix';

result := DllCall("GLU32\gluPickMatrix"
    , "Double", x   ; DOUBLE
    , "Double", y   ; DOUBLE
    , "Double", width   ; DOUBLE
    , "Double", height   ; DOUBLE
    , "Ptr", viewport   ; INT* in/out
    , "Int")   ; return: void

●gluPickMatrix(x, y, width, height, viewport) = DLL("GLU32.dll", "int gluPickMatrix(double, double, double, double, void*)")
# 呼び出し: gluPickMatrix(x, y, width, height, viewport)
# x : DOUBLE -> "double"
# y : DOUBLE -> "double"
# width : DOUBLE -> "double"
# height : DOUBLE -> "double"
# viewport : INT* in/out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。

const std = @import("std");

extern "glu32" fn gluPickMatrix(
    x: f64, // DOUBLE
    y: f64, // DOUBLE
    width: f64, // DOUBLE
    height: f64, // DOUBLE
    viewport: [*c]i32 // INT* in/out
) callconv(std.os.windows.WINAPI) void;

proc gluPickMatrix(
    x: float64,  # DOUBLE
    y: float64,  # DOUBLE
    width: float64,  # DOUBLE
    height: float64,  # DOUBLE
    viewport: ptr int32  # INT* in/out
) {.importc: "gluPickMatrix", stdcall, dynlib: "GLU32.dll".}

pragma(lib, "glu32");
extern(Windows)
void gluPickMatrix(
    double x,   // DOUBLE
    double y,   // DOUBLE
    double width,   // DOUBLE
    double height,   // DOUBLE
    int* viewport   // INT* in/out
);

ccall((:gluPickMatrix, "GLU32.dll"), stdcall, Cvoid,
      (Float64, Float64, Float64, Float64, Ptr{Int32}),
      x, y, width, height, viewport)
# x : DOUBLE -> Float64
# y : DOUBLE -> Float64
# width : DOUBLE -> Float64
# height : DOUBLE -> Float64
# viewport : INT* in/out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void gluPickMatrix(
    double x,
    double y,
    double width,
    double height,
    int32_t* viewport);
]]
local glu32 = ffi.load("glu32")
-- glu32.gluPickMatrix(x, y, width, height, viewport)
-- x : DOUBLE
-- y : DOUBLE
-- width : DOUBLE
-- height : DOUBLE
-- viewport : INT* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('GLU32.dll');
const gluPickMatrix = lib.func('__stdcall', 'gluPickMatrix', 'void', ['double', 'double', 'double', 'double', 'int32_t *']);
// gluPickMatrix(x, y, width, height, viewport)
// x : DOUBLE -> 'double'
// y : DOUBLE -> 'double'
// width : DOUBLE -> 'double'
// height : DOUBLE -> 'double'
// viewport : INT* in/out -> 'int32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("GLU32.dll", {
  gluPickMatrix: { parameters: ["f64", "f64", "f64", "f64", "pointer"], result: "void" },
});
// lib.symbols.gluPickMatrix(x, y, width, height, viewport)
// x : DOUBLE -> "f64"
// y : DOUBLE -> "f64"
// width : DOUBLE -> "f64"
// height : DOUBLE -> "f64"
// viewport : INT* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
void gluPickMatrix(
    double x,
    double y,
    double width,
    double height,
    int32_t* viewport);
C, "GLU32.dll");
// $ffi->gluPickMatrix(x, y, width, height, viewport);
// x : DOUBLE
// y : DOUBLE
// width : DOUBLE
// height : DOUBLE
// viewport : INT* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Glu32 extends StdCallLibrary {
    Glu32 INSTANCE = Native.load("glu32", Glu32.class);
    void gluPickMatrix(
        double x,   // DOUBLE
        double y,   // DOUBLE
        double width,   // DOUBLE
        double height,   // DOUBLE
        IntByReference viewport   // INT* in/out
    );
}

@[Link("glu32")]
lib LibGLU32
  fun gluPickMatrix = gluPickMatrix(
    x : Float64,   # DOUBLE
    y : Float64,   # DOUBLE
    width : Float64,   # DOUBLE
    height : Float64,   # DOUBLE
    viewport : Int32*   # INT* in/out
  ) : Void
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef gluPickMatrixNative = Void Function(Double, Double, Double, Double, Pointer<Int32>);
typedef gluPickMatrixDart = void Function(double, double, double, double, Pointer<Int32>);
final gluPickMatrix = DynamicLibrary.open('GLU32.dll')
    .lookupFunction<gluPickMatrixNative, gluPickMatrixDart>('gluPickMatrix');
// x : DOUBLE -> Double
// y : DOUBLE -> Double
// width : DOUBLE -> Double
// height : DOUBLE -> Double
// viewport : INT* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure gluPickMatrix(
  x: Double;   // DOUBLE
  y: Double;   // DOUBLE
  width: Double;   // DOUBLE
  height: Double;   // DOUBLE
  viewport: Pointer   // INT* in/out
); stdcall;
  external 'GLU32.dll' name 'gluPickMatrix';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "gluPickMatrix"
  c_gluPickMatrix :: CDouble -> CDouble -> CDouble -> CDouble -> Ptr Int32 -> IO ()
-- x : DOUBLE -> CDouble
-- y : DOUBLE -> CDouble
-- width : DOUBLE -> CDouble
-- height : DOUBLE -> CDouble
-- viewport : INT* in/out -> Ptr Int32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let glupickmatrix =
  foreign "gluPickMatrix"
    (double @-> double @-> double @-> double @-> (ptr int32_t) @-> returning void)
(* x : DOUBLE -> double *)
(* y : DOUBLE -> double *)
(* width : DOUBLE -> double *)
(* height : DOUBLE -> double *)
(* viewport : INT* in/out -> (ptr int32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library glu32 (t "GLU32.dll"))
(cffi:use-foreign-library glu32)

(cffi:defcfun ("gluPickMatrix" glu-pick-matrix :convention :stdcall) :void
  (x :double)   ; DOUBLE
  (y :double)   ; DOUBLE
  (width :double)   ; DOUBLE
  (height :double)   ; DOUBLE
  (viewport :pointer))   ; INT* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $gluPickMatrix = Win32::API::More->new('GLU32',
    'void gluPickMatrix(double x, double y, double width, double height, LPVOID viewport)');
# my $ret = $gluPickMatrix->Call($x, $y, $width, $height, $viewport);
# x : DOUBLE -> double
# y : DOUBLE -> double
# width : DOUBLE -> double
# height : DOUBLE -> double
# viewport : INT* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。