WsRemoveHeader

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

HRESULT WsRemoveHeader(
    WS_MESSAGE* message,
    WS_HEADER_TYPE headerType,
    WS_ERROR* error   // optional
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Function WsRemoveHeader(
    ByRef message As IntPtr,   ' WS_MESSAGE*
    headerType As Integer,   ' WS_HEADER_TYPE
    [error] As IntPtr   ' WS_ERROR* optional
) As Integer
End Function

' message : WS_MESSAGE*
' headerType : WS_HEADER_TYPE
' error : WS_ERROR* optional
Declare PtrSafe Function WsRemoveHeader Lib "webservices" ( _
    ByRef message As LongPtr, _
    ByVal headerType As Long, _
    ByVal error As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WsRemoveHeader = ctypes.windll.webservices.WsRemoveHeader
WsRemoveHeader.restype = ctypes.c_int
WsRemoveHeader.argtypes = [
    ctypes.c_void_p,  # message : WS_MESSAGE*
    ctypes.c_int,  # headerType : WS_HEADER_TYPE
    ctypes.c_void_p,  # error : WS_ERROR* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsRemoveHeader = Fiddle::Function.new(
  lib['WsRemoveHeader'],
  [
    Fiddle::TYPE_VOIDP,  # message : WS_MESSAGE*
    Fiddle::TYPE_INT,  # headerType : WS_HEADER_TYPE
    Fiddle::TYPE_VOIDP,  # error : WS_ERROR* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "webservices")]
extern "system" {
    fn WsRemoveHeader(
        message: *mut isize,  // WS_MESSAGE*
        headerType: i32,  // WS_HEADER_TYPE
        error: *mut isize  // WS_ERROR* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("webservices.dll")]
public static extern int WsRemoveHeader(ref IntPtr message, int headerType, IntPtr error);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsRemoveHeader' -Namespace Win32 -PassThru
# $api::WsRemoveHeader(message, headerType, error)

#uselib "webservices.dll"
#func global WsRemoveHeader "WsRemoveHeader" sptr, sptr, sptr
; WsRemoveHeader message, headerType, error   ; 戻り値は stat
; message : WS_MESSAGE* -> "sptr"
; headerType : WS_HEADER_TYPE -> "sptr"
; error : WS_ERROR* optional -> "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 "webservices.dll"
#cfunc global WsRemoveHeader "WsRemoveHeader" int, int, int
; res = WsRemoveHeader(message, headerType, error)
; message : WS_MESSAGE* -> "int"
; headerType : WS_HEADER_TYPE -> "int"
; error : WS_ERROR* optional -> "int"

; HRESULT WsRemoveHeader(WS_MESSAGE* message, WS_HEADER_TYPE headerType, WS_ERROR* error)
#uselib "webservices.dll"
#cfunc global WsRemoveHeader "WsRemoveHeader" int, int, int
; res = WsRemoveHeader(message, headerType, error)
; message : WS_MESSAGE* -> "int"
; headerType : WS_HEADER_TYPE -> "int"
; error : WS_ERROR* optional -> "int"

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

var (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsRemoveHeader = webservices.NewProc("WsRemoveHeader")
)

// message (WS_MESSAGE*), headerType (WS_HEADER_TYPE), error (WS_ERROR* optional)
r1, _, err := procWsRemoveHeader.Call(
	uintptr(message),
	uintptr(headerType),
	uintptr(error),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WsRemoveHeader(
  message: Pointer;   // WS_MESSAGE*
  headerType: Integer;   // WS_HEADER_TYPE
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsRemoveHeader';

result := DllCall("webservices\WsRemoveHeader"
    , "Ptr", message   ; WS_MESSAGE*
    , "Int", headerType   ; WS_HEADER_TYPE
    , "Ptr", error   ; WS_ERROR* optional
    , "Int")   ; return: HRESULT

●WsRemoveHeader(message, headerType, error) = DLL("webservices.dll", "int WsRemoveHeader(void*, int, void*)")
# 呼び出し: WsRemoveHeader(message, headerType, error)
# message : WS_MESSAGE* -> "void*"
# headerType : WS_HEADER_TYPE -> "int"
# error : WS_ERROR* optional -> "void*"
# 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)。