RtlFreeAnsiString

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

void RtlFreeAnsiString(
    STRING* AnsiString
);

<DllImport("ntdll.dll", ExactSpelling:=True)>
Public Shared Sub RtlFreeAnsiString(
    AnsiString As IntPtr   ' STRING* in/out
)
End Sub

' AnsiString : STRING* in/out
Declare PtrSafe Sub RtlFreeAnsiString Lib "ntdll" ( _
    ByVal AnsiString As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

RtlFreeAnsiString = ctypes.windll.ntdll.RtlFreeAnsiString
RtlFreeAnsiString.restype = None
RtlFreeAnsiString.argtypes = [
    ctypes.c_void_p,  # AnsiString : STRING* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ntdll.dll')
RtlFreeAnsiString = Fiddle::Function.new(
  lib['RtlFreeAnsiString'],
  [
    Fiddle::TYPE_VOIDP,  # AnsiString : STRING* in/out
  ],
  Fiddle::TYPE_VOID)

#[link(name = "ntdll")]
extern "system" {
    fn RtlFreeAnsiString(
        AnsiString: *mut STRING  // STRING* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ntdll.dll")]
public static extern void RtlFreeAnsiString(IntPtr AnsiString);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ntdll_RtlFreeAnsiString' -Namespace Win32 -PassThru
# $api::RtlFreeAnsiString(AnsiString)

#uselib "ntdll.dll"
#func global RtlFreeAnsiString "RtlFreeAnsiString" sptr
; RtlFreeAnsiString varptr(AnsiString)
; AnsiString : STRING* in/out -> "sptr"

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

var (
	ntdll = windows.NewLazySystemDLL("ntdll.dll")
	procRtlFreeAnsiString = ntdll.NewProc("RtlFreeAnsiString")
)

// AnsiString (STRING* in/out)
r1, _, err := procRtlFreeAnsiString.Call(
	uintptr(AnsiString),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure RtlFreeAnsiString(
  AnsiString: Pointer   // STRING* in/out
); stdcall;
  external 'ntdll.dll' name 'RtlFreeAnsiString';

result := DllCall("ntdll\RtlFreeAnsiString"
    , "Ptr", AnsiString   ; STRING* in/out
    , "Int")   ; return: void

●RtlFreeAnsiString(AnsiString) = DLL("ntdll.dll", "int RtlFreeAnsiString(void*)")
# 呼び出し: RtlFreeAnsiString(AnsiString)
# AnsiString : STRING* in/out -> "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)。

const std = @import("std");

extern "ntdll" fn RtlFreeAnsiString(
    AnsiString: [*c]STRING // STRING* in/out
) callconv(std.os.windows.WINAPI) void;

proc RtlFreeAnsiString(
    AnsiString: ptr STRING  # STRING* in/out
) {.importc: "RtlFreeAnsiString", stdcall, dynlib: "ntdll.dll".}

pragma(lib, "ntdll");
extern(Windows)
void RtlFreeAnsiString(
    STRING* AnsiString   // STRING* in/out
);

ccall((:RtlFreeAnsiString, "ntdll.dll"), stdcall, Cvoid,
      (Ptr{STRING},),
      AnsiString)
# AnsiString : STRING* in/out -> Ptr{STRING}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void RtlFreeAnsiString(
    void* AnsiString);
]]
local ntdll = ffi.load("ntdll")
-- ntdll.RtlFreeAnsiString(AnsiString)
-- AnsiString : STRING* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('ntdll.dll');
const RtlFreeAnsiString = lib.func('__stdcall', 'RtlFreeAnsiString', 'void', ['void *']);
// RtlFreeAnsiString(AnsiString)
// AnsiString : STRING* in/out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("ntdll.dll", {
  RtlFreeAnsiString: { parameters: ["pointer"], result: "void" },
});
// lib.symbols.RtlFreeAnsiString(AnsiString)
// AnsiString : STRING* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
void RtlFreeAnsiString(
    void* AnsiString);
C, "ntdll.dll");
// $ffi->RtlFreeAnsiString(AnsiString);
// AnsiString : STRING* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Ntdll extends StdCallLibrary {
    Ntdll INSTANCE = Native.load("ntdll", Ntdll.class);
    void RtlFreeAnsiString(
        Pointer AnsiString   // STRING* in/out
    );
}

@[Link("ntdll")]
lib Libntdll
  fun RtlFreeAnsiString = RtlFreeAnsiString(
    AnsiString : STRING*   # STRING* in/out
  ) : Void
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef RtlFreeAnsiStringNative = Void Function(Pointer<Void>);
typedef RtlFreeAnsiStringDart = void Function(Pointer<Void>);
final RtlFreeAnsiString = DynamicLibrary.open('ntdll.dll')
    .lookupFunction<RtlFreeAnsiStringNative, RtlFreeAnsiStringDart>('RtlFreeAnsiString');
// AnsiString : STRING* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure RtlFreeAnsiString(
  AnsiString: Pointer   // STRING* in/out
); stdcall;
  external 'ntdll.dll' name 'RtlFreeAnsiString';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "RtlFreeAnsiString"
  c_RtlFreeAnsiString :: Ptr () -> IO ()
-- AnsiString : STRING* in/out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let rtlfreeansistring =
  foreign "RtlFreeAnsiString"
    ((ptr void) @-> returning void)
(* AnsiString : STRING* in/out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library ntdll (t "ntdll.dll"))
(cffi:use-foreign-library ntdll)

(cffi:defcfun ("RtlFreeAnsiString" rtl-free-ansi-string :convention :stdcall) :void
  (ansi-string :pointer))   ; STRING* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $RtlFreeAnsiString = Win32::API::More->new('ntdll',
    'void RtlFreeAnsiString(LPVOID AnsiString)');
# my $ret = $RtlFreeAnsiString->Call($AnsiString);
# AnsiString : STRING* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。