WinHttpCrackUrl

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

BOOL WinHttpCrackUrl(
    LPCWSTR pwszUrl,
    DWORD dwUrlLength,
    DWORD dwFlags,
    URL_COMPONENTS* lpUrlComponents
);

<DllImport("WINHTTP.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WinHttpCrackUrl(
    <MarshalAs(UnmanagedType.LPWStr)> pwszUrl As String,   ' LPCWSTR
    dwUrlLength As UInteger,   ' DWORD
    dwFlags As UInteger,   ' DWORD
    lpUrlComponents As IntPtr   ' URL_COMPONENTS* in/out
) As Boolean
End Function

' pwszUrl : LPCWSTR
' dwUrlLength : DWORD
' dwFlags : DWORD
' lpUrlComponents : URL_COMPONENTS* in/out
Declare PtrSafe Function WinHttpCrackUrl Lib "winhttp" ( _
    ByVal pwszUrl As LongPtr, _
    ByVal dwUrlLength As Long, _
    ByVal dwFlags As Long, _
    ByVal lpUrlComponents 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

WinHttpCrackUrl = ctypes.windll.winhttp.WinHttpCrackUrl
WinHttpCrackUrl.restype = wintypes.BOOL
WinHttpCrackUrl.argtypes = [
    wintypes.LPCWSTR,  # pwszUrl : LPCWSTR
    wintypes.DWORD,  # dwUrlLength : DWORD
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.c_void_p,  # lpUrlComponents : URL_COMPONENTS* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINHTTP.dll')
WinHttpCrackUrl = Fiddle::Function.new(
  lib['WinHttpCrackUrl'],
  [
    Fiddle::TYPE_VOIDP,  # pwszUrl : LPCWSTR
    -Fiddle::TYPE_INT,  # dwUrlLength : DWORD
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # lpUrlComponents : URL_COMPONENTS* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winhttp")]
extern "system" {
    fn WinHttpCrackUrl(
        pwszUrl: *const u16,  // LPCWSTR
        dwUrlLength: u32,  // DWORD
        dwFlags: u32,  // DWORD
        lpUrlComponents: *mut URL_COMPONENTS  // URL_COMPONENTS* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINHTTP.dll", SetLastError = true)]
public static extern bool WinHttpCrackUrl([MarshalAs(UnmanagedType.LPWStr)] string pwszUrl, uint dwUrlLength, uint dwFlags, IntPtr lpUrlComponents);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINHTTP_WinHttpCrackUrl' -Namespace Win32 -PassThru
# $api::WinHttpCrackUrl(pwszUrl, dwUrlLength, dwFlags, lpUrlComponents)

#uselib "WINHTTP.dll"
#func global WinHttpCrackUrl "WinHttpCrackUrl" sptr, sptr, sptr, sptr
; WinHttpCrackUrl pwszUrl, dwUrlLength, dwFlags, varptr(lpUrlComponents)   ; 戻り値は stat
; pwszUrl : LPCWSTR -> "sptr"
; dwUrlLength : DWORD -> "sptr"
; dwFlags : DWORD -> "sptr"
; lpUrlComponents : URL_COMPONENTS* in/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 "WINHTTP.dll"
#cfunc global WinHttpCrackUrl "WinHttpCrackUrl" wstr, int, int, var
; res = WinHttpCrackUrl(pwszUrl, dwUrlLength, dwFlags, lpUrlComponents)
; pwszUrl : LPCWSTR -> "wstr"
; dwUrlLength : DWORD -> "int"
; dwFlags : DWORD -> "int"
; lpUrlComponents : URL_COMPONENTS* in/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。

; BOOL WinHttpCrackUrl(LPCWSTR pwszUrl, DWORD dwUrlLength, DWORD dwFlags, URL_COMPONENTS* lpUrlComponents)
#uselib "WINHTTP.dll"
#cfunc global WinHttpCrackUrl "WinHttpCrackUrl" wstr, int, int, var
; res = WinHttpCrackUrl(pwszUrl, dwUrlLength, dwFlags, lpUrlComponents)
; pwszUrl : LPCWSTR -> "wstr"
; dwUrlLength : DWORD -> "int"
; dwFlags : DWORD -> "int"
; lpUrlComponents : URL_COMPONENTS* in/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 (
	winhttp = windows.NewLazySystemDLL("WINHTTP.dll")
	procWinHttpCrackUrl = winhttp.NewProc("WinHttpCrackUrl")
)

// pwszUrl (LPCWSTR), dwUrlLength (DWORD), dwFlags (DWORD), lpUrlComponents (URL_COMPONENTS* in/out)
r1, _, err := procWinHttpCrackUrl.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszUrl))),
	uintptr(dwUrlLength),
	uintptr(dwFlags),
	uintptr(lpUrlComponents),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function WinHttpCrackUrl(
  pwszUrl: PWideChar;   // LPCWSTR
  dwUrlLength: DWORD;   // DWORD
  dwFlags: DWORD;   // DWORD
  lpUrlComponents: Pointer   // URL_COMPONENTS* in/out
): BOOL; stdcall;
  external 'WINHTTP.dll' name 'WinHttpCrackUrl';

result := DllCall("WINHTTP\WinHttpCrackUrl"
    , "WStr", pwszUrl   ; LPCWSTR
    , "UInt", dwUrlLength   ; DWORD
    , "UInt", dwFlags   ; DWORD
    , "Ptr", lpUrlComponents   ; URL_COMPONENTS* in/out
    , "Int")   ; return: BOOL

●WinHttpCrackUrl(pwszUrl, dwUrlLength, dwFlags, lpUrlComponents) = DLL("WINHTTP.dll", "bool WinHttpCrackUrl(char*, dword, dword, void*)")
# 呼び出し: WinHttpCrackUrl(pwszUrl, dwUrlLength, dwFlags, lpUrlComponents)
# pwszUrl : LPCWSTR -> "char*"
# dwUrlLength : DWORD -> "dword"
# dwFlags : DWORD -> "dword"
# lpUrlComponents : URL_COMPONENTS* in/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)。