DavRegisterAuthCallback

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

DWORD DavRegisterAuthCallback(
    PFNDAVAUTHCALLBACK CallBack,
    DWORD Version
);

<DllImport("davclnt.dll", ExactSpelling:=True)>
Public Shared Function DavRegisterAuthCallback(
    CallBack As IntPtr,   ' PFNDAVAUTHCALLBACK
    Version As UInteger   ' DWORD
) As UInteger
End Function

' CallBack : PFNDAVAUTHCALLBACK
' Version : DWORD
Declare PtrSafe Function DavRegisterAuthCallback Lib "davclnt" ( _
    ByVal CallBack As LongPtr, _
    ByVal Version As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DavRegisterAuthCallback = ctypes.windll.davclnt.DavRegisterAuthCallback
DavRegisterAuthCallback.restype = wintypes.DWORD
DavRegisterAuthCallback.argtypes = [
    ctypes.c_void_p,  # CallBack : PFNDAVAUTHCALLBACK
    wintypes.DWORD,  # Version : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('davclnt.dll')
DavRegisterAuthCallback = Fiddle::Function.new(
  lib['DavRegisterAuthCallback'],
  [
    Fiddle::TYPE_VOIDP,  # CallBack : PFNDAVAUTHCALLBACK
    -Fiddle::TYPE_INT,  # Version : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "davclnt")]
extern "system" {
    fn DavRegisterAuthCallback(
        CallBack: *const core::ffi::c_void,  // PFNDAVAUTHCALLBACK
        Version: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("davclnt.dll")]
public static extern uint DavRegisterAuthCallback(IntPtr CallBack, uint Version);
"@
$api = Add-Type -MemberDefinition $sig -Name 'davclnt_DavRegisterAuthCallback' -Namespace Win32 -PassThru
# $api::DavRegisterAuthCallback(CallBack, Version)

#uselib "davclnt.dll"
#func global DavRegisterAuthCallback "DavRegisterAuthCallback" sptr, sptr
; DavRegisterAuthCallback CallBack, Version   ; 戻り値は stat
; CallBack : PFNDAVAUTHCALLBACK -> "sptr"
; Version : DWORD -> "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 "davclnt.dll"
#cfunc global DavRegisterAuthCallback "DavRegisterAuthCallback" sptr, int
; res = DavRegisterAuthCallback(CallBack, Version)
; CallBack : PFNDAVAUTHCALLBACK -> "sptr"
; Version : DWORD -> "int"

; DWORD DavRegisterAuthCallback(PFNDAVAUTHCALLBACK CallBack, DWORD Version)
#uselib "davclnt.dll"
#cfunc global DavRegisterAuthCallback "DavRegisterAuthCallback" intptr, int
; res = DavRegisterAuthCallback(CallBack, Version)
; CallBack : PFNDAVAUTHCALLBACK -> "intptr"
; Version : DWORD -> "int"

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

var (
	davclnt = windows.NewLazySystemDLL("davclnt.dll")
	procDavRegisterAuthCallback = davclnt.NewProc("DavRegisterAuthCallback")
)

// CallBack (PFNDAVAUTHCALLBACK), Version (DWORD)
r1, _, err := procDavRegisterAuthCallback.Call(
	uintptr(CallBack),
	uintptr(Version),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DavRegisterAuthCallback(
  CallBack: Pointer;   // PFNDAVAUTHCALLBACK
  Version: DWORD   // DWORD
): DWORD; stdcall;
  external 'davclnt.dll' name 'DavRegisterAuthCallback';

result := DllCall("davclnt\DavRegisterAuthCallback"
    , "Ptr", CallBack   ; PFNDAVAUTHCALLBACK
    , "UInt", Version   ; DWORD
    , "UInt")   ; return: DWORD

●DavRegisterAuthCallback(CallBack, Version) = DLL("davclnt.dll", "dword DavRegisterAuthCallback(void*, dword)")
# 呼び出し: DavRegisterAuthCallback(CallBack, Version)
# CallBack : PFNDAVAUTHCALLBACK -> "void*"
# Version : 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)。