DeleteVolumeMountPointW

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

BOOL DeleteVolumeMountPointW(
    LPCWSTR lpszVolumeMountPoint
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function DeleteVolumeMountPointW(
    <MarshalAs(UnmanagedType.LPWStr)> lpszVolumeMountPoint As String   ' LPCWSTR
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' lpszVolumeMountPoint : LPCWSTR
Declare PtrSafe Function DeleteVolumeMountPointW Lib "kernel32" ( _
    ByVal lpszVolumeMountPoint As LongPtr) 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

DeleteVolumeMountPointW = ctypes.windll.kernel32.DeleteVolumeMountPointW
DeleteVolumeMountPointW.restype = wintypes.BOOL
DeleteVolumeMountPointW.argtypes = [
    wintypes.LPCWSTR,  # lpszVolumeMountPoint : LPCWSTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

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

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

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool DeleteVolumeMountPointW([MarshalAs(UnmanagedType.LPWStr)] string lpszVolumeMountPoint);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_DeleteVolumeMountPointW' -Namespace Win32 -PassThru
# $api::DeleteVolumeMountPointW(lpszVolumeMountPoint)

#uselib "KERNEL32.dll"
#func global DeleteVolumeMountPointW "DeleteVolumeMountPointW" wptr
; DeleteVolumeMountPointW lpszVolumeMountPoint   ; 戻り値は stat
; lpszVolumeMountPoint : LPCWSTR -> "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 DeleteVolumeMountPointW "DeleteVolumeMountPointW" wstr
; res = DeleteVolumeMountPointW(lpszVolumeMountPoint)
; lpszVolumeMountPoint : LPCWSTR -> "wstr"

; BOOL DeleteVolumeMountPointW(LPCWSTR lpszVolumeMountPoint)
#uselib "KERNEL32.dll"
#cfunc global DeleteVolumeMountPointW "DeleteVolumeMountPointW" wstr
; res = DeleteVolumeMountPointW(lpszVolumeMountPoint)
; lpszVolumeMountPoint : LPCWSTR -> "wstr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procDeleteVolumeMountPointW = kernel32.NewProc("DeleteVolumeMountPointW")
)

// lpszVolumeMountPoint (LPCWSTR)
r1, _, err := procDeleteVolumeMountPointW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszVolumeMountPoint))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function DeleteVolumeMountPointW(
  lpszVolumeMountPoint: PWideChar   // LPCWSTR
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'DeleteVolumeMountPointW';

result := DllCall("KERNEL32\DeleteVolumeMountPointW"
    , "WStr", lpszVolumeMountPoint   ; LPCWSTR
    , "Int")   ; return: BOOL

●DeleteVolumeMountPointW(lpszVolumeMountPoint) = DLL("KERNEL32.dll", "bool DeleteVolumeMountPointW(char*)")
# 呼び出し: DeleteVolumeMountPointW(lpszVolumeMountPoint)
# lpszVolumeMountPoint : LPCWSTR -> "char*"
# 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。

const std = @import("std");

extern "kernel32" fn DeleteVolumeMountPointW(
    lpszVolumeMountPoint: [*c]const u16 // LPCWSTR
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc DeleteVolumeMountPointW(
    lpszVolumeMountPoint: WideCString  # LPCWSTR
): int32 {.importc: "DeleteVolumeMountPointW", stdcall, dynlib: "KERNEL32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "kernel32");
extern(Windows)
int DeleteVolumeMountPointW(
    const(wchar)* lpszVolumeMountPoint   // LPCWSTR
);

ccall((:DeleteVolumeMountPointW, "KERNEL32.dll"), stdcall, Int32,
      (Cwstring,),
      lpszVolumeMountPoint)
# lpszVolumeMountPoint : LPCWSTR -> Cwstring
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t DeleteVolumeMountPointW(
    const uint16_t* lpszVolumeMountPoint);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.DeleteVolumeMountPointW(lpszVolumeMountPoint)
-- lpszVolumeMountPoint : LPCWSTR
-- 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('KERNEL32.dll');
const DeleteVolumeMountPointW = lib.func('__stdcall', 'DeleteVolumeMountPointW', 'int32_t', ['str16']);
// DeleteVolumeMountPointW(lpszVolumeMountPoint)
// lpszVolumeMountPoint : LPCWSTR -> 'str16'
// 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("KERNEL32.dll", {
  DeleteVolumeMountPointW: { parameters: ["buffer"], result: "i32" },
});
// lib.symbols.DeleteVolumeMountPointW(lpszVolumeMountPoint)
// lpszVolumeMountPoint : LPCWSTR -> "buffer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t DeleteVolumeMountPointW(
    const uint16_t* lpszVolumeMountPoint);
C, "KERNEL32.dll");
// $ffi->DeleteVolumeMountPointW(lpszVolumeMountPoint);
// lpszVolumeMountPoint : LPCWSTR
// 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class, W32APIOptions.UNICODE_OPTIONS);
    boolean DeleteVolumeMountPointW(
        WString lpszVolumeMountPoint   // LPCWSTR
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("kernel32")]
lib LibKERNEL32
  fun DeleteVolumeMountPointW = DeleteVolumeMountPointW(
    lpszVolumeMountPoint : UInt16*   # LPCWSTR
  ) : Int32
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 DeleteVolumeMountPointWNative = Int32 Function(Pointer<Utf16>);
typedef DeleteVolumeMountPointWDart = int Function(Pointer<Utf16>);
final DeleteVolumeMountPointW = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<DeleteVolumeMountPointWNative, DeleteVolumeMountPointWDart>('DeleteVolumeMountPointW');
// lpszVolumeMountPoint : LPCWSTR -> Pointer<Utf16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DeleteVolumeMountPointW(
  lpszVolumeMountPoint: PWideChar   // LPCWSTR
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'DeleteVolumeMountPointW';

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

foreign import stdcall safe "DeleteVolumeMountPointW"
  c_DeleteVolumeMountPointW :: CWString -> IO CInt
-- lpszVolumeMountPoint : LPCWSTR -> CWString
-- 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 deletevolumemountpointw =
  foreign "DeleteVolumeMountPointW"
    ((ptr uint16_t) @-> returning int32_t)
(* lpszVolumeMountPoint : LPCWSTR -> (ptr uint16_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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("DeleteVolumeMountPointW" delete-volume-mount-point-w :convention :stdcall) :int32
  (lpsz-volume-mount-point (:string :encoding :utf-16le)))   ; LPCWSTR
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DeleteVolumeMountPointW = Win32::API::More->new('KERNEL32',
    'BOOL DeleteVolumeMountPointW(LPCWSTR lpszVolumeMountPoint)');
# my $ret = $DeleteVolumeMountPointW->Call($lpszVolumeMountPoint);
# lpszVolumeMountPoint : LPCWSTR -> LPCWSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。