PathCanonicalizeA

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

BOOL PathCanonicalizeA(
    LPSTR pszBuf,
    LPCSTR pszPath
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function PathCanonicalizeA(
    <MarshalAs(UnmanagedType.LPStr)> pszBuf As System.Text.StringBuilder,   ' LPSTR out
    <MarshalAs(UnmanagedType.LPStr)> pszPath As String   ' LPCSTR
) As Boolean
End Function

' pszBuf : LPSTR out
' pszPath : LPCSTR
Declare PtrSafe Function PathCanonicalizeA Lib "shlwapi" ( _
    ByVal pszBuf As String, _
    ByVal pszPath As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PathCanonicalizeA = ctypes.windll.shlwapi.PathCanonicalizeA
PathCanonicalizeA.restype = wintypes.BOOL
PathCanonicalizeA.argtypes = [
    wintypes.LPSTR,  # pszBuf : LPSTR out
    wintypes.LPCSTR,  # pszPath : LPCSTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
PathCanonicalizeA = Fiddle::Function.new(
  lib['PathCanonicalizeA'],
  [
    Fiddle::TYPE_VOIDP,  # pszBuf : LPSTR out
    Fiddle::TYPE_VOIDP,  # pszPath : LPCSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn PathCanonicalizeA(
        pszBuf: *mut u8,  // LPSTR out
        pszPath: *const u8  // LPCSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool PathCanonicalizeA([MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder pszBuf, [MarshalAs(UnmanagedType.LPStr)] string pszPath);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_PathCanonicalizeA' -Namespace Win32 -PassThru
# $api::PathCanonicalizeA(pszBuf, pszPath)

#uselib "SHLWAPI.dll"
#func global PathCanonicalizeA "PathCanonicalizeA" sptr, sptr
; PathCanonicalizeA varptr(pszBuf), pszPath   ; 戻り値は stat
; pszBuf : LPSTR out -> "sptr"
; pszPath : LPCSTR -> "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 PathCanonicalizeA "PathCanonicalizeA" var, str
; res = PathCanonicalizeA(pszBuf, pszPath)
; pszBuf : LPSTR out -> "var"
; pszPath : LPCSTR -> "str"
; ※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 PathCanonicalizeA(LPSTR pszBuf, LPCSTR pszPath)
#uselib "SHLWAPI.dll"
#cfunc global PathCanonicalizeA "PathCanonicalizeA" var, str
; res = PathCanonicalizeA(pszBuf, pszPath)
; pszBuf : LPSTR out -> "var"
; pszPath : LPCSTR -> "str"
; ※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")
	procPathCanonicalizeA = shlwapi.NewProc("PathCanonicalizeA")
)

// pszBuf (LPSTR out), pszPath (LPCSTR)
r1, _, err := procPathCanonicalizeA.Call(
	uintptr(pszBuf),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszPath))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function PathCanonicalizeA(
  pszBuf: PAnsiChar;   // LPSTR out
  pszPath: PAnsiChar   // LPCSTR
): BOOL; stdcall;
  external 'SHLWAPI.dll' name 'PathCanonicalizeA';

result := DllCall("SHLWAPI\PathCanonicalizeA"
    , "Ptr", pszBuf   ; LPSTR out
    , "AStr", pszPath   ; LPCSTR
    , "Int")   ; return: BOOL

●PathCanonicalizeA(pszBuf, pszPath) = DLL("SHLWAPI.dll", "bool PathCanonicalizeA(char*, char*)")
# 呼び出し: PathCanonicalizeA(pszBuf, pszPath)
# pszBuf : LPSTR out -> "char*"
# pszPath : LPCSTR -> "char*"
# 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)。