OemKeyScan

// USER32.dll
#include <windows.h>

DWORD OemKeyScan(
    WORD wOemChar
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function OemKeyScan(
    wOemChar As UShort   ' WORD
) As UInteger
End Function

' wOemChar : WORD
Declare PtrSafe Function OemKeyScan Lib "user32" ( _
    ByVal wOemChar As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

OemKeyScan = ctypes.windll.user32.OemKeyScan
OemKeyScan.restype = wintypes.DWORD
OemKeyScan.argtypes = [
    ctypes.c_ushort,  # wOemChar : WORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
OemKeyScan = Fiddle::Function.new(
  lib['OemKeyScan'],
  [
    -Fiddle::TYPE_SHORT,  # wOemChar : WORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn OemKeyScan(
        wOemChar: u16  // WORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll")]
public static extern uint OemKeyScan(ushort wOemChar);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_OemKeyScan' -Namespace Win32 -PassThru
# $api::OemKeyScan(wOemChar)

#uselib "USER32.dll"
#func global OemKeyScan "OemKeyScan" sptr
; OemKeyScan wOemChar   ; 戻り値は stat
; wOemChar : WORD -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "USER32.dll"
#cfunc global OemKeyScan "OemKeyScan" int
; res = OemKeyScan(wOemChar)
; wOemChar : WORD -> "int"

; DWORD OemKeyScan(WORD wOemChar)
#uselib "USER32.dll"
#cfunc global OemKeyScan "OemKeyScan" int
; res = OemKeyScan(wOemChar)
; wOemChar : WORD -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procOemKeyScan = user32.NewProc("OemKeyScan")
)

// wOemChar (WORD)
r1, _, err := procOemKeyScan.Call(
	uintptr(wOemChar),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function OemKeyScan(
  wOemChar: Word   // WORD
): DWORD; stdcall;
  external 'USER32.dll' name 'OemKeyScan';

result := DllCall("USER32\OemKeyScan"
    , "UShort", wOemChar   ; WORD
    , "UInt")   ; return: DWORD

●OemKeyScan(wOemChar) = DLL("USER32.dll", "dword OemKeyScan(int)")
# 呼び出し: OemKeyScan(wOemChar)
# wOemChar : WORD -> "int"
# 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)。