HttpPrepareUrl

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

DWORD HttpPrepareUrl(
    void* Reserved,   // optional
    DWORD Flags,   // optional
    LPCWSTR Url,
    LPWSTR* PreparedUrl
);

<DllImport("HTTPAPI.dll", ExactSpelling:=True)>
Public Shared Function HttpPrepareUrl(
    Reserved As IntPtr,   ' void* optional
    Flags As UInteger,   ' DWORD optional
    <MarshalAs(UnmanagedType.LPWStr)> Url As String,   ' LPCWSTR
    PreparedUrl As IntPtr   ' LPWSTR* out
) As UInteger
End Function

' Reserved : void* optional
' Flags : DWORD optional
' Url : LPCWSTR
' PreparedUrl : LPWSTR* out
Declare PtrSafe Function HttpPrepareUrl Lib "httpapi" ( _
    ByVal Reserved As LongPtr, _
    ByVal Flags As Long, _
    ByVal Url As LongPtr, _
    ByVal PreparedUrl 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

HttpPrepareUrl = ctypes.windll.httpapi.HttpPrepareUrl
HttpPrepareUrl.restype = wintypes.DWORD
HttpPrepareUrl.argtypes = [
    ctypes.POINTER(None),  # Reserved : void* optional
    wintypes.DWORD,  # Flags : DWORD optional
    wintypes.LPCWSTR,  # Url : LPCWSTR
    ctypes.c_void_p,  # PreparedUrl : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('HTTPAPI.dll')
HttpPrepareUrl = Fiddle::Function.new(
  lib['HttpPrepareUrl'],
  [
    Fiddle::TYPE_VOIDP,  # Reserved : void* optional
    -Fiddle::TYPE_INT,  # Flags : DWORD optional
    Fiddle::TYPE_VOIDP,  # Url : LPCWSTR
    Fiddle::TYPE_VOIDP,  # PreparedUrl : LPWSTR* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "httpapi")]
extern "system" {
    fn HttpPrepareUrl(
        Reserved: *mut (),  // void* optional
        Flags: u32,  // DWORD optional
        Url: *const u16,  // LPCWSTR
        PreparedUrl: *mut *mut u16  // LPWSTR* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("HTTPAPI.dll")]
public static extern uint HttpPrepareUrl(IntPtr Reserved, uint Flags, [MarshalAs(UnmanagedType.LPWStr)] string Url, IntPtr PreparedUrl);
"@
$api = Add-Type -MemberDefinition $sig -Name 'HTTPAPI_HttpPrepareUrl' -Namespace Win32 -PassThru
# $api::HttpPrepareUrl(Reserved, Flags, Url, PreparedUrl)

#uselib "HTTPAPI.dll"
#func global HttpPrepareUrl "HttpPrepareUrl" sptr, sptr, sptr, sptr
; HttpPrepareUrl Reserved, Flags, Url, varptr(PreparedUrl)   ; 戻り値は stat
; Reserved : void* optional -> "sptr"
; Flags : DWORD optional -> "sptr"
; Url : LPCWSTR -> "sptr"
; PreparedUrl : LPWSTR* out -> "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 "HTTPAPI.dll"
#cfunc global HttpPrepareUrl "HttpPrepareUrl" sptr, int, wstr, var
; res = HttpPrepareUrl(Reserved, Flags, Url, PreparedUrl)
; Reserved : void* optional -> "sptr"
; Flags : DWORD optional -> "int"
; Url : LPCWSTR -> "wstr"
; PreparedUrl : LPWSTR* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD HttpPrepareUrl(void* Reserved, DWORD Flags, LPCWSTR Url, LPWSTR* PreparedUrl)
#uselib "HTTPAPI.dll"
#cfunc global HttpPrepareUrl "HttpPrepareUrl" intptr, int, wstr, var
; res = HttpPrepareUrl(Reserved, Flags, Url, PreparedUrl)
; Reserved : void* optional -> "intptr"
; Flags : DWORD optional -> "int"
; Url : LPCWSTR -> "wstr"
; PreparedUrl : LPWSTR* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	httpapi = windows.NewLazySystemDLL("HTTPAPI.dll")
	procHttpPrepareUrl = httpapi.NewProc("HttpPrepareUrl")
)

// Reserved (void* optional), Flags (DWORD optional), Url (LPCWSTR), PreparedUrl (LPWSTR* out)
r1, _, err := procHttpPrepareUrl.Call(
	uintptr(Reserved),
	uintptr(Flags),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(Url))),
	uintptr(PreparedUrl),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function HttpPrepareUrl(
  Reserved: Pointer;   // void* optional
  Flags: DWORD;   // DWORD optional
  Url: PWideChar;   // LPCWSTR
  PreparedUrl: PPWideChar   // LPWSTR* out
): DWORD; stdcall;
  external 'HTTPAPI.dll' name 'HttpPrepareUrl';

result := DllCall("HTTPAPI\HttpPrepareUrl"
    , "Ptr", Reserved   ; void* optional
    , "UInt", Flags   ; DWORD optional
    , "WStr", Url   ; LPCWSTR
    , "Ptr", PreparedUrl   ; LPWSTR* out
    , "UInt")   ; return: DWORD

●HttpPrepareUrl(Reserved, Flags, Url, PreparedUrl) = DLL("HTTPAPI.dll", "dword HttpPrepareUrl(void*, dword, char*, void*)")
# 呼び出し: HttpPrepareUrl(Reserved, Flags, Url, PreparedUrl)
# Reserved : void* optional -> "void*"
# Flags : DWORD optional -> "dword"
# Url : LPCWSTR -> "char*"
# PreparedUrl : LPWSTR* out -> "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)。