UrlHashA

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

HRESULT UrlHashA(
    LPCSTR pszUrl,
    BYTE* pbHash,
    DWORD cbHash
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function UrlHashA(
    <MarshalAs(UnmanagedType.LPStr)> pszUrl As String,   ' LPCSTR
    pbHash As IntPtr,   ' BYTE* out
    cbHash As UInteger   ' DWORD
) As Integer
End Function

' pszUrl : LPCSTR
' pbHash : BYTE* out
' cbHash : DWORD
Declare PtrSafe Function UrlHashA Lib "shlwapi" ( _
    ByVal pszUrl As String, _
    ByVal pbHash As LongPtr, _
    ByVal cbHash 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

UrlHashA = ctypes.windll.shlwapi.UrlHashA
UrlHashA.restype = ctypes.c_int
UrlHashA.argtypes = [
    wintypes.LPCSTR,  # pszUrl : LPCSTR
    ctypes.POINTER(ctypes.c_ubyte),  # pbHash : BYTE* out
    wintypes.DWORD,  # cbHash : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
UrlHashA = Fiddle::Function.new(
  lib['UrlHashA'],
  [
    Fiddle::TYPE_VOIDP,  # pszUrl : LPCSTR
    Fiddle::TYPE_VOIDP,  # pbHash : BYTE* out
    -Fiddle::TYPE_INT,  # cbHash : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn UrlHashA(
        pszUrl: *const u8,  // LPCSTR
        pbHash: *mut u8,  // BYTE* out
        cbHash: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi)]
public static extern int UrlHashA([MarshalAs(UnmanagedType.LPStr)] string pszUrl, IntPtr pbHash, uint cbHash);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_UrlHashA' -Namespace Win32 -PassThru
# $api::UrlHashA(pszUrl, pbHash, cbHash)

#uselib "SHLWAPI.dll"
#func global UrlHashA "UrlHashA" sptr, sptr, sptr
; UrlHashA pszUrl, varptr(pbHash), cbHash   ; 戻り値は stat
; pszUrl : LPCSTR -> "sptr"
; pbHash : BYTE* out -> "sptr"
; cbHash : 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 "SHLWAPI.dll"
#cfunc global UrlHashA "UrlHashA" str, var, int
; res = UrlHashA(pszUrl, pbHash, cbHash)
; pszUrl : LPCSTR -> "str"
; pbHash : BYTE* out -> "var"
; cbHash : 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。

; HRESULT UrlHashA(LPCSTR pszUrl, BYTE* pbHash, DWORD cbHash)
#uselib "SHLWAPI.dll"
#cfunc global UrlHashA "UrlHashA" str, var, int
; res = UrlHashA(pszUrl, pbHash, cbHash)
; pszUrl : LPCSTR -> "str"
; pbHash : BYTE* out -> "var"
; cbHash : 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 (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procUrlHashA = shlwapi.NewProc("UrlHashA")
)

// pszUrl (LPCSTR), pbHash (BYTE* out), cbHash (DWORD)
r1, _, err := procUrlHashA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszUrl))),
	uintptr(pbHash),
	uintptr(cbHash),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function UrlHashA(
  pszUrl: PAnsiChar;   // LPCSTR
  pbHash: Pointer;   // BYTE* out
  cbHash: DWORD   // DWORD
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'UrlHashA';

result := DllCall("SHLWAPI\UrlHashA"
    , "AStr", pszUrl   ; LPCSTR
    , "Ptr", pbHash   ; BYTE* out
    , "UInt", cbHash   ; DWORD
    , "Int")   ; return: HRESULT

●UrlHashA(pszUrl, pbHash, cbHash) = DLL("SHLWAPI.dll", "int UrlHashA(char*, void*, dword)")
# 呼び出し: UrlHashA(pszUrl, pbHash, cbHash)
# pszUrl : LPCSTR -> "char*"
# pbHash : BYTE* out -> "void*"
# cbHash : 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)。