SHCreateDirectoryExA

// SHELL32.dll  (ANSI / -A)
#include <windows.h>

INT SHCreateDirectoryExA(
    HWND hwnd,   // optional
    LPCSTR pszPath,
    const SECURITY_ATTRIBUTES* psa   // optional
);

<DllImport("SHELL32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SHCreateDirectoryExA(
    hwnd As IntPtr,   ' HWND optional
    <MarshalAs(UnmanagedType.LPStr)> pszPath As String,   ' LPCSTR
    psa As IntPtr   ' SECURITY_ATTRIBUTES* optional
) As Integer
End Function

' hwnd : HWND optional
' pszPath : LPCSTR
' psa : SECURITY_ATTRIBUTES* optional
Declare PtrSafe Function SHCreateDirectoryExA Lib "shell32" ( _
    ByVal hwnd As LongPtr, _
    ByVal pszPath As String, _
    ByVal psa As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SHCreateDirectoryExA = ctypes.windll.shell32.SHCreateDirectoryExA
SHCreateDirectoryExA.restype = ctypes.c_int
SHCreateDirectoryExA.argtypes = [
    wintypes.HANDLE,  # hwnd : HWND optional
    wintypes.LPCSTR,  # pszPath : LPCSTR
    ctypes.c_void_p,  # psa : SECURITY_ATTRIBUTES* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHCreateDirectoryExA = Fiddle::Function.new(
  lib['SHCreateDirectoryExA'],
  [
    Fiddle::TYPE_VOIDP,  # hwnd : HWND optional
    Fiddle::TYPE_VOIDP,  # pszPath : LPCSTR
    Fiddle::TYPE_VOIDP,  # psa : SECURITY_ATTRIBUTES* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn SHCreateDirectoryExA(
        hwnd: *mut core::ffi::c_void,  // HWND optional
        pszPath: *const u8,  // LPCSTR
        psa: *const SECURITY_ATTRIBUTES  // SECURITY_ATTRIBUTES* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll", CharSet = CharSet.Ansi)]
public static extern int SHCreateDirectoryExA(IntPtr hwnd, [MarshalAs(UnmanagedType.LPStr)] string pszPath, IntPtr psa);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHCreateDirectoryExA' -Namespace Win32 -PassThru
# $api::SHCreateDirectoryExA(hwnd, pszPath, psa)

#uselib "SHELL32.dll"
#func global SHCreateDirectoryExA "SHCreateDirectoryExA" sptr, sptr, sptr
; SHCreateDirectoryExA hwnd, pszPath, varptr(psa)   ; 戻り値は stat
; hwnd : HWND optional -> "sptr"
; pszPath : LPCSTR -> "sptr"
; psa : SECURITY_ATTRIBUTES* optional -> "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 SHCreateDirectoryExA "SHCreateDirectoryExA" sptr, str, var
; res = SHCreateDirectoryExA(hwnd, pszPath, psa)
; hwnd : HWND optional -> "sptr"
; pszPath : LPCSTR -> "str"
; psa : SECURITY_ATTRIBUTES* optional -> "var"
; ※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 SHCreateDirectoryExA(HWND hwnd, LPCSTR pszPath, SECURITY_ATTRIBUTES* psa)
#uselib "SHELL32.dll"
#cfunc global SHCreateDirectoryExA "SHCreateDirectoryExA" intptr, str, var
; res = SHCreateDirectoryExA(hwnd, pszPath, psa)
; hwnd : HWND optional -> "intptr"
; pszPath : LPCSTR -> "str"
; psa : SECURITY_ATTRIBUTES* optional -> "var"
; ※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")
	procSHCreateDirectoryExA = shell32.NewProc("SHCreateDirectoryExA")
)

// hwnd (HWND optional), pszPath (LPCSTR), psa (SECURITY_ATTRIBUTES* optional)
r1, _, err := procSHCreateDirectoryExA.Call(
	uintptr(hwnd),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszPath))),
	uintptr(psa),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function SHCreateDirectoryExA(
  hwnd: THandle;   // HWND optional
  pszPath: PAnsiChar;   // LPCSTR
  psa: Pointer   // SECURITY_ATTRIBUTES* optional
): Integer; stdcall;
  external 'SHELL32.dll' name 'SHCreateDirectoryExA';

result := DllCall("SHELL32\SHCreateDirectoryExA"
    , "Ptr", hwnd   ; HWND optional
    , "AStr", pszPath   ; LPCSTR
    , "Ptr", psa   ; SECURITY_ATTRIBUTES* optional
    , "Int")   ; return: INT

●SHCreateDirectoryExA(hwnd, pszPath, psa) = DLL("SHELL32.dll", "int SHCreateDirectoryExA(void*, char*, void*)")
# 呼び出し: SHCreateDirectoryExA(hwnd, pszPath, psa)
# hwnd : HWND optional -> "void*"
# pszPath : LPCSTR -> "char*"
# psa : SECURITY_ATTRIBUTES* optional -> "void*"
# 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)。