InternetCanonicalizeUrlA

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

BOOL InternetCanonicalizeUrlA(
    LPCSTR lpszUrl,
    LPSTR lpszBuffer,
    DWORD* lpdwBufferLength,
    DWORD dwFlags
);

<DllImport("WININET.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function InternetCanonicalizeUrlA(
    <MarshalAs(UnmanagedType.LPStr)> lpszUrl As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> lpszBuffer As System.Text.StringBuilder,   ' LPSTR out
    ByRef lpdwBufferLength As UInteger,   ' DWORD* in/out
    dwFlags As UInteger   ' DWORD
) As Boolean
End Function

' lpszUrl : LPCSTR
' lpszBuffer : LPSTR out
' lpdwBufferLength : DWORD* in/out
' dwFlags : DWORD
Declare PtrSafe Function InternetCanonicalizeUrlA Lib "wininet" ( _
    ByVal lpszUrl As String, _
    ByVal lpszBuffer As String, _
    ByRef lpdwBufferLength As Long, _
    ByVal dwFlags 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

InternetCanonicalizeUrlA = ctypes.windll.wininet.InternetCanonicalizeUrlA
InternetCanonicalizeUrlA.restype = wintypes.BOOL
InternetCanonicalizeUrlA.argtypes = [
    wintypes.LPCSTR,  # lpszUrl : LPCSTR
    wintypes.LPSTR,  # lpszBuffer : LPSTR out
    ctypes.POINTER(wintypes.DWORD),  # lpdwBufferLength : DWORD* in/out
    wintypes.DWORD,  # dwFlags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
InternetCanonicalizeUrlA = Fiddle::Function.new(
  lib['InternetCanonicalizeUrlA'],
  [
    Fiddle::TYPE_VOIDP,  # lpszUrl : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpszBuffer : LPSTR out
    Fiddle::TYPE_VOIDP,  # lpdwBufferLength : DWORD* in/out
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn InternetCanonicalizeUrlA(
        lpszUrl: *const u8,  // LPCSTR
        lpszBuffer: *mut u8,  // LPSTR out
        lpdwBufferLength: *mut u32,  // DWORD* in/out
        dwFlags: u32  // DWORD
    ) -> 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 InternetCanonicalizeUrlA([MarshalAs(UnmanagedType.LPStr)] string lpszUrl, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpszBuffer, ref uint lpdwBufferLength, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_InternetCanonicalizeUrlA' -Namespace Win32 -PassThru
# $api::InternetCanonicalizeUrlA(lpszUrl, lpszBuffer, lpdwBufferLength, dwFlags)

#uselib "WININET.dll"
#func global InternetCanonicalizeUrlA "InternetCanonicalizeUrlA" sptr, sptr, sptr, sptr
; InternetCanonicalizeUrlA lpszUrl, varptr(lpszBuffer), varptr(lpdwBufferLength), dwFlags   ; 戻り値は stat
; lpszUrl : LPCSTR -> "sptr"
; lpszBuffer : LPSTR out -> "sptr"
; lpdwBufferLength : DWORD* in/out -> "sptr"
; dwFlags : 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 "WININET.dll"
#cfunc global InternetCanonicalizeUrlA "InternetCanonicalizeUrlA" str, var, var, int
; res = InternetCanonicalizeUrlA(lpszUrl, lpszBuffer, lpdwBufferLength, dwFlags)
; lpszUrl : LPCSTR -> "str"
; lpszBuffer : LPSTR out -> "var"
; lpdwBufferLength : DWORD* in/out -> "var"
; dwFlags : DWORD -> "int"
; ※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 InternetCanonicalizeUrlA(LPCSTR lpszUrl, LPSTR lpszBuffer, DWORD* lpdwBufferLength, DWORD dwFlags)
#uselib "WININET.dll"
#cfunc global InternetCanonicalizeUrlA "InternetCanonicalizeUrlA" str, var, var, int
; res = InternetCanonicalizeUrlA(lpszUrl, lpszBuffer, lpdwBufferLength, dwFlags)
; lpszUrl : LPCSTR -> "str"
; lpszBuffer : LPSTR out -> "var"
; lpdwBufferLength : DWORD* in/out -> "var"
; dwFlags : DWORD -> "int"
; ※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 (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procInternetCanonicalizeUrlA = wininet.NewProc("InternetCanonicalizeUrlA")
)

// lpszUrl (LPCSTR), lpszBuffer (LPSTR out), lpdwBufferLength (DWORD* in/out), dwFlags (DWORD)
r1, _, err := procInternetCanonicalizeUrlA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszUrl))),
	uintptr(lpszBuffer),
	uintptr(lpdwBufferLength),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function InternetCanonicalizeUrlA(
  lpszUrl: PAnsiChar;   // LPCSTR
  lpszBuffer: PAnsiChar;   // LPSTR out
  lpdwBufferLength: Pointer;   // DWORD* in/out
  dwFlags: DWORD   // DWORD
): BOOL; stdcall;
  external 'WININET.dll' name 'InternetCanonicalizeUrlA';

result := DllCall("WININET\InternetCanonicalizeUrlA"
    , "AStr", lpszUrl   ; LPCSTR
    , "Ptr", lpszBuffer   ; LPSTR out
    , "Ptr", lpdwBufferLength   ; DWORD* in/out
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: BOOL

●InternetCanonicalizeUrlA(lpszUrl, lpszBuffer, lpdwBufferLength, dwFlags) = DLL("WININET.dll", "bool InternetCanonicalizeUrlA(char*, char*, void*, dword)")
# 呼び出し: InternetCanonicalizeUrlA(lpszUrl, lpszBuffer, lpdwBufferLength, dwFlags)
# lpszUrl : LPCSTR -> "char*"
# lpszBuffer : LPSTR out -> "char*"
# lpdwBufferLength : DWORD* in/out -> "void*"
# dwFlags : 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)。