TryAcquireSRWLockShared

// KERNEL32.dll
#include <windows.h>

BOOLEAN TryAcquireSRWLockShared(
    SRWLOCK* SRWLock
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function TryAcquireSRWLockShared(
    SRWLock As IntPtr   ' SRWLOCK* in/out
) As <MarshalAs(UnmanagedType.U1)> Boolean
End Function

' SRWLock : SRWLOCK* in/out
Declare PtrSafe Function TryAcquireSRWLockShared Lib "kernel32" ( _
    ByVal SRWLock As LongPtr) As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

TryAcquireSRWLockShared = ctypes.windll.kernel32.TryAcquireSRWLockShared
TryAcquireSRWLockShared.restype = wintypes.BOOLEAN
TryAcquireSRWLockShared.argtypes = [
    ctypes.c_void_p,  # SRWLock : SRWLOCK* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
TryAcquireSRWLockShared = Fiddle::Function.new(
  lib['TryAcquireSRWLockShared'],
  [
    Fiddle::TYPE_VOIDP,  # SRWLock : SRWLOCK* in/out
  ],
  Fiddle::TYPE_CHAR)

#[link(name = "kernel32")]
extern "system" {
    fn TryAcquireSRWLockShared(
        SRWLock: *mut SRWLOCK  // SRWLOCK* in/out
    ) -> u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.U1)]
[DllImport("KERNEL32.dll")]
public static extern bool TryAcquireSRWLockShared(IntPtr SRWLock);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_TryAcquireSRWLockShared' -Namespace Win32 -PassThru
# $api::TryAcquireSRWLockShared(SRWLock)

#uselib "KERNEL32.dll"
#func global TryAcquireSRWLockShared "TryAcquireSRWLockShared" sptr
; TryAcquireSRWLockShared varptr(SRWLock)   ; 戻り値は stat
; SRWLock : SRWLOCK* in/out -> "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。

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procTryAcquireSRWLockShared = kernel32.NewProc("TryAcquireSRWLockShared")
)

// SRWLock (SRWLOCK* in/out)
r1, _, err := procTryAcquireSRWLockShared.Call(
	uintptr(SRWLock),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOLEAN

function TryAcquireSRWLockShared(
  SRWLock: Pointer   // SRWLOCK* in/out
): ByteBool; stdcall;
  external 'KERNEL32.dll' name 'TryAcquireSRWLockShared';

result := DllCall("KERNEL32\TryAcquireSRWLockShared"
    , "Ptr", SRWLock   ; SRWLOCK* in/out
    , "Char")   ; return: BOOLEAN

●TryAcquireSRWLockShared(SRWLock) = DLL("KERNEL32.dll", "byte TryAcquireSRWLockShared(void*)")
# 呼び出し: TryAcquireSRWLockShared(SRWLock)
# SRWLock : SRWLOCK* 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 "kernel32" fn TryAcquireSRWLockShared(
    SRWLock: [*c]SRWLOCK // SRWLOCK* in/out
) callconv(std.os.windows.WINAPI) u8;

proc TryAcquireSRWLockShared(
    SRWLock: ptr SRWLOCK  # SRWLOCK* in/out
): uint8 {.importc: "TryAcquireSRWLockShared", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
ubyte TryAcquireSRWLockShared(
    SRWLOCK* SRWLock   // SRWLOCK* in/out
);

ccall((:TryAcquireSRWLockShared, "KERNEL32.dll"), stdcall, UInt8,
      (Ptr{SRWLOCK},),
      SRWLock)
# SRWLock : SRWLOCK* in/out -> Ptr{SRWLOCK}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint8_t TryAcquireSRWLockShared(
    void* SRWLock);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.TryAcquireSRWLockShared(SRWLock)
-- SRWLock : SRWLOCK* 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('KERNEL32.dll');
const TryAcquireSRWLockShared = lib.func('__stdcall', 'TryAcquireSRWLockShared', 'uint8_t', ['void *']);
// TryAcquireSRWLockShared(SRWLock)
// SRWLock : SRWLOCK* 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("KERNEL32.dll", {
  TryAcquireSRWLockShared: { parameters: ["pointer"], result: "u8" },
});
// lib.symbols.TryAcquireSRWLockShared(SRWLock)
// SRWLock : SRWLOCK* 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
uint8_t TryAcquireSRWLockShared(
    void* SRWLock);
C, "KERNEL32.dll");
// $ffi->TryAcquireSRWLockShared(SRWLock);
// SRWLock : SRWLOCK* 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    byte TryAcquireSRWLockShared(
        Pointer SRWLock   // SRWLOCK* in/out
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun TryAcquireSRWLockShared = TryAcquireSRWLockShared(
    SRWLock : SRWLOCK*   # SRWLOCK* in/out
  ) : UInt8
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 TryAcquireSRWLockSharedNative = Uint8 Function(Pointer<Void>);
typedef TryAcquireSRWLockSharedDart = int Function(Pointer<Void>);
final TryAcquireSRWLockShared = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<TryAcquireSRWLockSharedNative, TryAcquireSRWLockSharedDart>('TryAcquireSRWLockShared');
// SRWLock : SRWLOCK* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function TryAcquireSRWLockShared(
  SRWLock: Pointer   // SRWLOCK* in/out
): ByteBool; stdcall;
  external 'KERNEL32.dll' name 'TryAcquireSRWLockShared';

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

foreign import stdcall safe "TryAcquireSRWLockShared"
  c_TryAcquireSRWLockShared :: Ptr () -> IO Word8
-- SRWLock : SRWLOCK* 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 tryacquiresrwlockshared =
  foreign "TryAcquireSRWLockShared"
    ((ptr void) @-> returning uint8_t)
(* SRWLock : SRWLOCK* 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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("TryAcquireSRWLockShared" try-acquire-srwlock-shared :convention :stdcall) :uint8
  (srwlock :pointer))   ; SRWLOCK* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $TryAcquireSRWLockShared = Win32::API::More->new('KERNEL32',
    'BYTE TryAcquireSRWLockShared(LPVOID SRWLock)');
# my $ret = $TryAcquireSRWLockShared->Call($SRWLock);
# SRWLock : SRWLOCK* 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。