FtpRemoveDirectoryA

// WININET.dll  (ANSI / -A)
#include <windows.h>

BOOL FtpRemoveDirectoryA(
    void* hConnect,
    LPCSTR lpszDirectory
);

<DllImport("WININET.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FtpRemoveDirectoryA(
    hConnect As IntPtr,   ' void*
    <MarshalAs(UnmanagedType.LPStr)> lpszDirectory As String   ' LPCSTR
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hConnect : void*
' lpszDirectory : LPCSTR
Declare PtrSafe Function FtpRemoveDirectoryA Lib "wininet" ( _
    ByVal hConnect As LongPtr, _
    ByVal lpszDirectory As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

FtpRemoveDirectoryA = ctypes.windll.wininet.FtpRemoveDirectoryA
FtpRemoveDirectoryA.restype = wintypes.BOOL
FtpRemoveDirectoryA.argtypes = [
    ctypes.POINTER(None),  # hConnect : void*
    wintypes.LPCSTR,  # lpszDirectory : LPCSTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
FtpRemoveDirectoryA = Fiddle::Function.new(
  lib['FtpRemoveDirectoryA'],
  [
    Fiddle::TYPE_VOIDP,  # hConnect : void*
    Fiddle::TYPE_VOIDP,  # lpszDirectory : LPCSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn FtpRemoveDirectoryA(
        hConnect: *mut (),  // void*
        lpszDirectory: *const u8  // LPCSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool FtpRemoveDirectoryA(IntPtr hConnect, [MarshalAs(UnmanagedType.LPStr)] string lpszDirectory);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_FtpRemoveDirectoryA' -Namespace Win32 -PassThru
# $api::FtpRemoveDirectoryA(hConnect, lpszDirectory)

#uselib "WININET.dll"
#func global FtpRemoveDirectoryA "FtpRemoveDirectoryA" sptr, sptr
; FtpRemoveDirectoryA hConnect, lpszDirectory   ; 戻り値は stat
; hConnect : void* -> "sptr"
; lpszDirectory : LPCSTR -> "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 "WININET.dll"
#cfunc global FtpRemoveDirectoryA "FtpRemoveDirectoryA" sptr, str
; res = FtpRemoveDirectoryA(hConnect, lpszDirectory)
; hConnect : void* -> "sptr"
; lpszDirectory : LPCSTR -> "str"

; BOOL FtpRemoveDirectoryA(void* hConnect, LPCSTR lpszDirectory)
#uselib "WININET.dll"
#cfunc global FtpRemoveDirectoryA "FtpRemoveDirectoryA" intptr, str
; res = FtpRemoveDirectoryA(hConnect, lpszDirectory)
; hConnect : void* -> "intptr"
; lpszDirectory : LPCSTR -> "str"

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

var (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procFtpRemoveDirectoryA = wininet.NewProc("FtpRemoveDirectoryA")
)

// hConnect (void*), lpszDirectory (LPCSTR)
r1, _, err := procFtpRemoveDirectoryA.Call(
	uintptr(hConnect),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszDirectory))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FtpRemoveDirectoryA(
  hConnect: Pointer;   // void*
  lpszDirectory: PAnsiChar   // LPCSTR
): BOOL; stdcall;
  external 'WININET.dll' name 'FtpRemoveDirectoryA';

result := DllCall("WININET\FtpRemoveDirectoryA"
    , "Ptr", hConnect   ; void*
    , "AStr", lpszDirectory   ; LPCSTR
    , "Int")   ; return: BOOL

●FtpRemoveDirectoryA(hConnect, lpszDirectory) = DLL("WININET.dll", "bool FtpRemoveDirectoryA(void*, char*)")
# 呼び出し: FtpRemoveDirectoryA(hConnect, lpszDirectory)
# hConnect : void* -> "void*"
# lpszDirectory : LPCSTR -> "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)。

const std = @import("std");

extern "wininet" fn FtpRemoveDirectoryA(
    hConnect: ?*anyopaque, // void*
    lpszDirectory: [*c]const u8 // LPCSTR
) callconv(std.os.windows.WINAPI) i32;

proc FtpRemoveDirectoryA(
    hConnect: pointer,  # void*
    lpszDirectory: cstring  # LPCSTR
): int32 {.importc: "FtpRemoveDirectoryA", stdcall, dynlib: "WININET.dll".}

pragma(lib, "wininet");
extern(Windows)
int FtpRemoveDirectoryA(
    void* hConnect,   // void*
    const(char)* lpszDirectory   // LPCSTR
);

ccall((:FtpRemoveDirectoryA, "WININET.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Cstring),
      hConnect, lpszDirectory)
# hConnect : void* -> Ptr{Cvoid}
# lpszDirectory : LPCSTR -> Cstring
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t FtpRemoveDirectoryA(
    void* hConnect,
    const char* lpszDirectory);
]]
local wininet = ffi.load("wininet")
-- wininet.FtpRemoveDirectoryA(hConnect, lpszDirectory)
-- hConnect : void*
-- lpszDirectory : LPCSTR
-- 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('WININET.dll');
const FtpRemoveDirectoryA = lib.func('__stdcall', 'FtpRemoveDirectoryA', 'int32_t', ['void *', 'str']);
// FtpRemoveDirectoryA(hConnect, lpszDirectory)
// hConnect : void* -> 'void *'
// lpszDirectory : LPCSTR -> 'str'
// 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("WININET.dll", {
  FtpRemoveDirectoryA: { parameters: ["pointer", "buffer"], result: "i32" },
});
// lib.symbols.FtpRemoveDirectoryA(hConnect, lpszDirectory)
// hConnect : void* -> "pointer"
// lpszDirectory : LPCSTR -> "buffer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t FtpRemoveDirectoryA(
    void* hConnect,
    const char* lpszDirectory);
C, "WININET.dll");
// $ffi->FtpRemoveDirectoryA(hConnect, lpszDirectory);
// hConnect : void*
// lpszDirectory : LPCSTR
// 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 Wininet extends StdCallLibrary {
    Wininet INSTANCE = Native.load("wininet", Wininet.class, W32APIOptions.ASCII_OPTIONS);
    boolean FtpRemoveDirectoryA(
        Pointer hConnect,   // void*
        String lpszDirectory   // LPCSTR
    );
}

@[Link("wininet")]
lib LibWININET
  fun FtpRemoveDirectoryA = FtpRemoveDirectoryA(
    hConnect : Void*,   # void*
    lpszDirectory : UInt8*   # LPCSTR
  ) : 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 FtpRemoveDirectoryANative = Int32 Function(Pointer<Void>, Pointer<Utf8>);
typedef FtpRemoveDirectoryADart = int Function(Pointer<Void>, Pointer<Utf8>);
final FtpRemoveDirectoryA = DynamicLibrary.open('WININET.dll')
    .lookupFunction<FtpRemoveDirectoryANative, FtpRemoveDirectoryADart>('FtpRemoveDirectoryA');
// hConnect : void* -> Pointer<Void>
// lpszDirectory : LPCSTR -> Pointer<Utf8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function FtpRemoveDirectoryA(
  hConnect: Pointer;   // void*
  lpszDirectory: PAnsiChar   // LPCSTR
): BOOL; stdcall;
  external 'WININET.dll' name 'FtpRemoveDirectoryA';

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

foreign import stdcall safe "FtpRemoveDirectoryA"
  c_FtpRemoveDirectoryA :: Ptr () -> CString -> IO CInt
-- hConnect : void* -> Ptr ()
-- lpszDirectory : LPCSTR -> CString
-- 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 ftpremovedirectorya =
  foreign "FtpRemoveDirectoryA"
    ((ptr void) @-> string @-> returning int32_t)
(* hConnect : void* -> (ptr void) *)
(* lpszDirectory : LPCSTR -> string *)
(* 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 wininet (t "WININET.dll"))
(cffi:use-foreign-library wininet)

(cffi:defcfun ("FtpRemoveDirectoryA" ftp-remove-directory-a :convention :stdcall) :int32
  (h-connect :pointer)   ; void*
  (lpsz-directory :string))   ; LPCSTR
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $FtpRemoveDirectoryA = Win32::API::More->new('WININET',
    'BOOL FtpRemoveDirectoryA(LPVOID hConnect, LPCSTR lpszDirectory)');
# my $ret = $FtpRemoveDirectoryA->Call($hConnect, $lpszDirectory);
# hConnect : void* -> LPVOID
# lpszDirectory : LPCSTR -> LPCSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。