PathResolve

// SHELL32.dll
#include <windows.h>

INT PathResolve(
    LPWSTR pszPath,
    WORD** dirs,   // optional
    DWORD fFlags
);

<DllImport("SHELL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function PathResolve(
    <MarshalAs(UnmanagedType.LPWStr)> pszPath As System.Text.StringBuilder,   ' LPWSTR in/out
    dirs As IntPtr,   ' WORD** optional
    fFlags As UInteger   ' DWORD
) As Integer
End Function

' pszPath : LPWSTR in/out
' dirs : WORD** optional
' fFlags : DWORD
Declare PtrSafe Function PathResolve Lib "shell32" ( _
    ByVal pszPath As LongPtr, _
    ByVal dirs As LongPtr, _
    ByVal fFlags 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

PathResolve = ctypes.windll.shell32.PathResolve
PathResolve.restype = ctypes.c_int
PathResolve.argtypes = [
    wintypes.LPWSTR,  # pszPath : LPWSTR in/out
    ctypes.c_void_p,  # dirs : WORD** optional
    wintypes.DWORD,  # fFlags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
PathResolve = Fiddle::Function.new(
  lib['PathResolve'],
  [
    Fiddle::TYPE_VOIDP,  # pszPath : LPWSTR in/out
    Fiddle::TYPE_VOIDP,  # dirs : WORD** optional
    -Fiddle::TYPE_INT,  # fFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn PathResolve(
        pszPath: *mut u16,  // LPWSTR in/out
        dirs: *mut *mut u16,  // WORD** optional
        fFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll", SetLastError = true)]
public static extern int PathResolve([MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszPath, IntPtr dirs, uint fFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_PathResolve' -Namespace Win32 -PassThru
# $api::PathResolve(pszPath, dirs, fFlags)

#uselib "SHELL32.dll"
#func global PathResolve "PathResolve" sptr, sptr, sptr
; PathResolve varptr(pszPath), varptr(dirs), fFlags   ; 戻り値は stat
; pszPath : LPWSTR in/out -> "sptr"
; dirs : WORD** optional -> "sptr"
; fFlags : 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 "SHELL32.dll"
#cfunc global PathResolve "PathResolve" var, var, int
; res = PathResolve(pszPath, dirs, fFlags)
; pszPath : LPWSTR in/out -> "var"
; dirs : WORD** optional -> "var"
; fFlags : 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。

; INT PathResolve(LPWSTR pszPath, WORD** dirs, DWORD fFlags)
#uselib "SHELL32.dll"
#cfunc global PathResolve "PathResolve" var, var, int
; res = PathResolve(pszPath, dirs, fFlags)
; pszPath : LPWSTR in/out -> "var"
; dirs : WORD** optional -> "var"
; fFlags : 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 (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procPathResolve = shell32.NewProc("PathResolve")
)

// pszPath (LPWSTR in/out), dirs (WORD** optional), fFlags (DWORD)
r1, _, err := procPathResolve.Call(
	uintptr(pszPath),
	uintptr(dirs),
	uintptr(fFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function PathResolve(
  pszPath: PWideChar;   // LPWSTR in/out
  dirs: Pointer;   // WORD** optional
  fFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'SHELL32.dll' name 'PathResolve';

result := DllCall("SHELL32\PathResolve"
    , "Ptr", pszPath   ; LPWSTR in/out
    , "Ptr", dirs   ; WORD** optional
    , "UInt", fFlags   ; DWORD
    , "Int")   ; return: INT

●PathResolve(pszPath, dirs, fFlags) = DLL("SHELL32.dll", "int PathResolve(char*, void*, dword)")
# 呼び出し: PathResolve(pszPath, dirs, fFlags)
# pszPath : LPWSTR in/out -> "char*"
# dirs : WORD** optional -> "void*"
# fFlags : 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)。