SetFileShortNameW

// KERNEL32.dll  (Unicode / -W)
#include <windows.h>

BOOL SetFileShortNameW(
    HANDLE hFile,
    LPCWSTR lpShortName
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetFileShortNameW(
    hFile As IntPtr,   ' HANDLE
    <MarshalAs(UnmanagedType.LPWStr)> lpShortName As String   ' LPCWSTR
) As Boolean
End Function

' hFile : HANDLE
' lpShortName : LPCWSTR
Declare PtrSafe Function SetFileShortNameW Lib "kernel32" ( _
    ByVal hFile As LongPtr, _
    ByVal lpShortName As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetFileShortNameW = ctypes.windll.kernel32.SetFileShortNameW
SetFileShortNameW.restype = wintypes.BOOL
SetFileShortNameW.argtypes = [
    wintypes.HANDLE,  # hFile : HANDLE
    wintypes.LPCWSTR,  # lpShortName : LPCWSTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetFileShortNameW = Fiddle::Function.new(
  lib['SetFileShortNameW'],
  [
    Fiddle::TYPE_VOIDP,  # hFile : HANDLE
    Fiddle::TYPE_VOIDP,  # lpShortName : LPCWSTR
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "kernel32")]
extern "system" {
    fn SetFileShortNameW(
        hFile: *mut core::ffi::c_void,  // HANDLE
        lpShortName: *const u16  // LPCWSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool SetFileShortNameW(IntPtr hFile, [MarshalAs(UnmanagedType.LPWStr)] string lpShortName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetFileShortNameW' -Namespace Win32 -PassThru
# $api::SetFileShortNameW(hFile, lpShortName)

#uselib "KERNEL32.dll"
#func global SetFileShortNameW "SetFileShortNameW" wptr, wptr
; SetFileShortNameW hFile, lpShortName   ; 戻り値は stat
; hFile : HANDLE -> "wptr"
; lpShortName : LPCWSTR -> "wptr"
; ※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 "KERNEL32.dll"
#cfunc global SetFileShortNameW "SetFileShortNameW" sptr, wstr
; res = SetFileShortNameW(hFile, lpShortName)
; hFile : HANDLE -> "sptr"
; lpShortName : LPCWSTR -> "wstr"

; BOOL SetFileShortNameW(HANDLE hFile, LPCWSTR lpShortName)
#uselib "KERNEL32.dll"
#cfunc global SetFileShortNameW "SetFileShortNameW" intptr, wstr
; res = SetFileShortNameW(hFile, lpShortName)
; hFile : HANDLE -> "intptr"
; lpShortName : LPCWSTR -> "wstr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetFileShortNameW = kernel32.NewProc("SetFileShortNameW")
)

// hFile (HANDLE), lpShortName (LPCWSTR)
r1, _, err := procSetFileShortNameW.Call(
	uintptr(hFile),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpShortName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetFileShortNameW(
  hFile: THandle;   // HANDLE
  lpShortName: PWideChar   // LPCWSTR
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetFileShortNameW';

result := DllCall("KERNEL32\SetFileShortNameW"
    , "Ptr", hFile   ; HANDLE
    , "WStr", lpShortName   ; LPCWSTR
    , "Int")   ; return: BOOL

●SetFileShortNameW(hFile, lpShortName) = DLL("KERNEL32.dll", "bool SetFileShortNameW(void*, char*)")
# 呼び出し: SetFileShortNameW(hFile, lpShortName)
# hFile : HANDLE -> "void*"
# lpShortName : LPCWSTR -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。