PathIsSystemFolderA

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

BOOL PathIsSystemFolderA(
    LPCSTR pszPath,   // optional
    DWORD dwAttrb
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function PathIsSystemFolderA(
    <MarshalAs(UnmanagedType.LPStr)> pszPath As String,   ' LPCSTR optional
    dwAttrb As UInteger   ' DWORD
) As Boolean
End Function

' pszPath : LPCSTR optional
' dwAttrb : DWORD
Declare PtrSafe Function PathIsSystemFolderA Lib "shlwapi" ( _
    ByVal pszPath As String, _
    ByVal dwAttrb 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

PathIsSystemFolderA = ctypes.windll.shlwapi.PathIsSystemFolderA
PathIsSystemFolderA.restype = wintypes.BOOL
PathIsSystemFolderA.argtypes = [
    wintypes.LPCSTR,  # pszPath : LPCSTR optional
    wintypes.DWORD,  # dwAttrb : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
PathIsSystemFolderA = Fiddle::Function.new(
  lib['PathIsSystemFolderA'],
  [
    Fiddle::TYPE_VOIDP,  # pszPath : LPCSTR optional
    -Fiddle::TYPE_INT,  # dwAttrb : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn PathIsSystemFolderA(
        pszPath: *const u8,  // LPCSTR optional
        dwAttrb: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi)]
public static extern bool PathIsSystemFolderA([MarshalAs(UnmanagedType.LPStr)] string pszPath, uint dwAttrb);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_PathIsSystemFolderA' -Namespace Win32 -PassThru
# $api::PathIsSystemFolderA(pszPath, dwAttrb)

#uselib "SHLWAPI.dll"
#func global PathIsSystemFolderA "PathIsSystemFolderA" sptr, sptr
; PathIsSystemFolderA pszPath, dwAttrb   ; 戻り値は stat
; pszPath : LPCSTR optional -> "sptr"
; dwAttrb : 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 PathIsSystemFolderA "PathIsSystemFolderA" str, int
; res = PathIsSystemFolderA(pszPath, dwAttrb)
; pszPath : LPCSTR optional -> "str"
; dwAttrb : DWORD -> "int"

; BOOL PathIsSystemFolderA(LPCSTR pszPath, DWORD dwAttrb)
#uselib "SHLWAPI.dll"
#cfunc global PathIsSystemFolderA "PathIsSystemFolderA" str, int
; res = PathIsSystemFolderA(pszPath, dwAttrb)
; pszPath : LPCSTR optional -> "str"
; dwAttrb : DWORD -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procPathIsSystemFolderA = shlwapi.NewProc("PathIsSystemFolderA")
)

// pszPath (LPCSTR optional), dwAttrb (DWORD)
r1, _, err := procPathIsSystemFolderA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszPath))),
	uintptr(dwAttrb),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function PathIsSystemFolderA(
  pszPath: PAnsiChar;   // LPCSTR optional
  dwAttrb: DWORD   // DWORD
): BOOL; stdcall;
  external 'SHLWAPI.dll' name 'PathIsSystemFolderA';

result := DllCall("SHLWAPI\PathIsSystemFolderA"
    , "AStr", pszPath   ; LPCSTR optional
    , "UInt", dwAttrb   ; DWORD
    , "Int")   ; return: BOOL

●PathIsSystemFolderA(pszPath, dwAttrb) = DLL("SHLWAPI.dll", "bool PathIsSystemFolderA(char*, dword)")
# 呼び出し: PathIsSystemFolderA(pszPath, dwAttrb)
# pszPath : LPCSTR optional -> "char*"
# dwAttrb : 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)。