GetProfileIntW

// KERNEL32.dll  (Unicode / -W)
#include <windows.h>

DWORD GetProfileIntW(
    LPCWSTR lpAppName,
    LPCWSTR lpKeyName,
    INT nDefault
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function GetProfileIntW(
    <MarshalAs(UnmanagedType.LPWStr)> lpAppName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpKeyName As String,   ' LPCWSTR
    nDefault As Integer   ' INT
) As UInteger
End Function

' lpAppName : LPCWSTR
' lpKeyName : LPCWSTR
' nDefault : INT
Declare PtrSafe Function GetProfileIntW Lib "kernel32" ( _
    ByVal lpAppName As LongPtr, _
    ByVal lpKeyName As LongPtr, _
    ByVal nDefault As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetProfileIntW = ctypes.windll.kernel32.GetProfileIntW
GetProfileIntW.restype = wintypes.DWORD
GetProfileIntW.argtypes = [
    wintypes.LPCWSTR,  # lpAppName : LPCWSTR
    wintypes.LPCWSTR,  # lpKeyName : LPCWSTR
    ctypes.c_int,  # nDefault : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetProfileIntW = Fiddle::Function.new(
  lib['GetProfileIntW'],
  [
    Fiddle::TYPE_VOIDP,  # lpAppName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpKeyName : LPCWSTR
    Fiddle::TYPE_INT,  # nDefault : INT
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "kernel32")]
extern "system" {
    fn GetProfileIntW(
        lpAppName: *const u16,  // LPCWSTR
        lpKeyName: *const u16,  // LPCWSTR
        nDefault: i32  // INT
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode)]
public static extern uint GetProfileIntW([MarshalAs(UnmanagedType.LPWStr)] string lpAppName, [MarshalAs(UnmanagedType.LPWStr)] string lpKeyName, int nDefault);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetProfileIntW' -Namespace Win32 -PassThru
# $api::GetProfileIntW(lpAppName, lpKeyName, nDefault)

#uselib "KERNEL32.dll"
#func global GetProfileIntW "GetProfileIntW" wptr, wptr, wptr
; GetProfileIntW lpAppName, lpKeyName, nDefault   ; 戻り値は stat
; lpAppName : LPCWSTR -> "wptr"
; lpKeyName : LPCWSTR -> "wptr"
; nDefault : INT -> "wptr"
; ※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 "KERNEL32.dll"
#cfunc global GetProfileIntW "GetProfileIntW" wstr, wstr, int
; res = GetProfileIntW(lpAppName, lpKeyName, nDefault)
; lpAppName : LPCWSTR -> "wstr"
; lpKeyName : LPCWSTR -> "wstr"
; nDefault : INT -> "int"

; DWORD GetProfileIntW(LPCWSTR lpAppName, LPCWSTR lpKeyName, INT nDefault)
#uselib "KERNEL32.dll"
#cfunc global GetProfileIntW "GetProfileIntW" wstr, wstr, int
; res = GetProfileIntW(lpAppName, lpKeyName, nDefault)
; lpAppName : LPCWSTR -> "wstr"
; lpKeyName : LPCWSTR -> "wstr"
; nDefault : INT -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetProfileIntW = kernel32.NewProc("GetProfileIntW")
)

// lpAppName (LPCWSTR), lpKeyName (LPCWSTR), nDefault (INT)
r1, _, err := procGetProfileIntW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpAppName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpKeyName))),
	uintptr(nDefault),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetProfileIntW(
  lpAppName: PWideChar;   // LPCWSTR
  lpKeyName: PWideChar;   // LPCWSTR
  nDefault: Integer   // INT
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'GetProfileIntW';

result := DllCall("KERNEL32\GetProfileIntW"
    , "WStr", lpAppName   ; LPCWSTR
    , "WStr", lpKeyName   ; LPCWSTR
    , "Int", nDefault   ; INT
    , "UInt")   ; return: DWORD

●GetProfileIntW(lpAppName, lpKeyName, nDefault) = DLL("KERNEL32.dll", "dword GetProfileIntW(char*, char*, int)")
# 呼び出し: GetProfileIntW(lpAppName, lpKeyName, nDefault)
# lpAppName : LPCWSTR -> "char*"
# lpKeyName : LPCWSTR -> "char*"
# nDefault : INT -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。