glColor3ui

// OPENGL32.dll
#include <windows.h>

void glColor3ui(
    DWORD red,
    DWORD green,
    DWORD blue
);

<DllImport("OPENGL32.dll", ExactSpelling:=True)>
Public Shared Sub glColor3ui(
    red As UInteger,   ' DWORD
    green As UInteger,   ' DWORD
    blue As UInteger   ' DWORD
)
End Sub

' red : DWORD
' green : DWORD
' blue : DWORD
Declare PtrSafe Sub glColor3ui Lib "opengl32" ( _
    ByVal red As Long, _
    ByVal green As Long, _
    ByVal blue As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

glColor3ui = ctypes.windll.opengl32.glColor3ui
glColor3ui.restype = None
glColor3ui.argtypes = [
    wintypes.DWORD,  # red : DWORD
    wintypes.DWORD,  # green : DWORD
    wintypes.DWORD,  # blue : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OPENGL32.dll')
glColor3ui = Fiddle::Function.new(
  lib['glColor3ui'],
  [
    -Fiddle::TYPE_INT,  # red : DWORD
    -Fiddle::TYPE_INT,  # green : DWORD
    -Fiddle::TYPE_INT,  # blue : DWORD
  ],
  Fiddle::TYPE_VOID)

#[link(name = "opengl32")]
extern "system" {
    fn glColor3ui(
        red: u32,  // DWORD
        green: u32,  // DWORD
        blue: u32  // DWORD
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OPENGL32.dll")]
public static extern void glColor3ui(uint red, uint green, uint blue);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OPENGL32_glColor3ui' -Namespace Win32 -PassThru
# $api::glColor3ui(red, green, blue)

#uselib "OPENGL32.dll"
#func global glColor3ui "glColor3ui" sptr, sptr, sptr
; glColor3ui red, green, blue
; red : DWORD -> "sptr"
; green : DWORD -> "sptr"
; blue : DWORD -> "sptr"

#uselib "OPENGL32.dll"
#func global glColor3ui "glColor3ui" int, int, int
; glColor3ui red, green, blue
; red : DWORD -> "int"
; green : DWORD -> "int"
; blue : DWORD -> "int"

; void glColor3ui(DWORD red, DWORD green, DWORD blue)
#uselib "OPENGL32.dll"
#func global glColor3ui "glColor3ui" int, int, int
; glColor3ui red, green, blue
; red : DWORD -> "int"
; green : DWORD -> "int"
; blue : DWORD -> "int"

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

var (
	opengl32 = windows.NewLazySystemDLL("OPENGL32.dll")
	procglColor3ui = opengl32.NewProc("glColor3ui")
)

// red (DWORD), green (DWORD), blue (DWORD)
r1, _, err := procglColor3ui.Call(
	uintptr(red),
	uintptr(green),
	uintptr(blue),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure glColor3ui(
  red: DWORD;   // DWORD
  green: DWORD;   // DWORD
  blue: DWORD   // DWORD
); stdcall;
  external 'OPENGL32.dll' name 'glColor3ui';

result := DllCall("OPENGL32\glColor3ui"
    , "UInt", red   ; DWORD
    , "UInt", green   ; DWORD
    , "UInt", blue   ; DWORD
    , "Int")   ; return: void

●glColor3ui(red, green, blue) = DLL("OPENGL32.dll", "int glColor3ui(dword, dword, dword)")
# 呼び出し: glColor3ui(red, green, blue)
# red : DWORD -> "dword"
# green : DWORD -> "dword"
# blue : DWORD -> "dword"
# 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 "opengl32" fn glColor3ui(
    red: u32, // DWORD
    green: u32, // DWORD
    blue: u32 // DWORD
) callconv(std.os.windows.WINAPI) void;

proc glColor3ui(
    red: uint32,  # DWORD
    green: uint32,  # DWORD
    blue: uint32  # DWORD
) {.importc: "glColor3ui", stdcall, dynlib: "OPENGL32.dll".}

pragma(lib, "opengl32");
extern(Windows)
void glColor3ui(
    uint red,   // DWORD
    uint green,   // DWORD
    uint blue   // DWORD
);

ccall((:glColor3ui, "OPENGL32.dll"), stdcall, Cvoid,
      (UInt32, UInt32, UInt32),
      red, green, blue)
# red : DWORD -> UInt32
# green : DWORD -> UInt32
# blue : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void glColor3ui(
    uint32_t red,
    uint32_t green,
    uint32_t blue);
]]
local opengl32 = ffi.load("opengl32")
-- opengl32.glColor3ui(red, green, blue)
-- red : DWORD
-- green : DWORD
-- blue : DWORD
-- 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('OPENGL32.dll');
const glColor3ui = lib.func('__stdcall', 'glColor3ui', 'void', ['uint32_t', 'uint32_t', 'uint32_t']);
// glColor3ui(red, green, blue)
// red : DWORD -> 'uint32_t'
// green : DWORD -> 'uint32_t'
// blue : DWORD -> 'uint32_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("OPENGL32.dll", {
  glColor3ui: { parameters: ["u32", "u32", "u32"], result: "void" },
});
// lib.symbols.glColor3ui(red, green, blue)
// red : DWORD -> "u32"
// green : DWORD -> "u32"
// blue : DWORD -> "u32"
// 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 glColor3ui(
    uint32_t red,
    uint32_t green,
    uint32_t blue);
C, "OPENGL32.dll");
// $ffi->glColor3ui(red, green, blue);
// red : DWORD
// green : DWORD
// blue : DWORD
// 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 Opengl32 extends StdCallLibrary {
    Opengl32 INSTANCE = Native.load("opengl32", Opengl32.class);
    void glColor3ui(
        int red,   // DWORD
        int green,   // DWORD
        int blue   // DWORD
    );
}

@[Link("opengl32")]
lib LibOPENGL32
  fun glColor3ui = glColor3ui(
    red : UInt32,   # DWORD
    green : UInt32,   # DWORD
    blue : UInt32   # DWORD
  ) : 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 glColor3uiNative = Void Function(Uint32, Uint32, Uint32);
typedef glColor3uiDart = void Function(int, int, int);
final glColor3ui = DynamicLibrary.open('OPENGL32.dll')
    .lookupFunction<glColor3uiNative, glColor3uiDart>('glColor3ui');
// red : DWORD -> Uint32
// green : DWORD -> Uint32
// blue : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure glColor3ui(
  red: DWORD;   // DWORD
  green: DWORD;   // DWORD
  blue: DWORD   // DWORD
); stdcall;
  external 'OPENGL32.dll' name 'glColor3ui';

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

foreign import stdcall safe "glColor3ui"
  c_glColor3ui :: Word32 -> Word32 -> Word32 -> IO ()
-- red : DWORD -> Word32
-- green : DWORD -> Word32
-- blue : DWORD -> Word32
-- 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 glcolor3ui =
  foreign "glColor3ui"
    (uint32_t @-> uint32_t @-> uint32_t @-> returning void)
(* red : DWORD -> uint32_t *)
(* green : DWORD -> uint32_t *)
(* blue : DWORD -> uint32_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 opengl32 (t "OPENGL32.dll"))
(cffi:use-foreign-library opengl32)

(cffi:defcfun ("glColor3ui" gl-color3ui :convention :stdcall) :void
  (red :uint32)   ; DWORD
  (green :uint32)   ; DWORD
  (blue :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $glColor3ui = Win32::API::More->new('OPENGL32',
    'void glColor3ui(DWORD red, DWORD green, DWORD blue)');
# my $ret = $glColor3ui->Call($red, $green, $blue);
# red : DWORD -> DWORD
# green : DWORD -> DWORD
# blue : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。