PeerGraphShutdown

// P2PGRAPH.dll
#include <windows.h>

HRESULT PeerGraphShutdown(void);

<DllImport("P2PGRAPH.dll", ExactSpelling:=True)>
Public Shared Function PeerGraphShutdown() As Integer
End Function

Declare PtrSafe Function PeerGraphShutdown Lib "p2pgraph" () As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PeerGraphShutdown = ctypes.windll.p2pgraph.PeerGraphShutdown
PeerGraphShutdown.restype = ctypes.c_int
PeerGraphShutdown.argtypes = []

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2PGRAPH.dll')
PeerGraphShutdown = Fiddle::Function.new(
  lib['PeerGraphShutdown'],
  [],
  Fiddle::TYPE_INT)

#[link(name = "p2pgraph")]
extern "system" {
    fn PeerGraphShutdown() -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("P2PGRAPH.dll")]
public static extern int PeerGraphShutdown();
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2PGRAPH_PeerGraphShutdown' -Namespace Win32 -PassThru
# $api::PeerGraphShutdown()

#uselib "P2PGRAPH.dll"
#func global PeerGraphShutdown "PeerGraphShutdown"
; PeerGraphShutdown   ; 戻り値は stat
; ※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 "P2PGRAPH.dll"
#cfunc global PeerGraphShutdown "PeerGraphShutdown"
; res = PeerGraphShutdown()

; HRESULT PeerGraphShutdown()
#uselib "P2PGRAPH.dll"
#cfunc global PeerGraphShutdown "PeerGraphShutdown"
; res = PeerGraphShutdown()

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

var (
	p2pgraph = windows.NewLazySystemDLL("P2PGRAPH.dll")
	procPeerGraphShutdown = p2pgraph.NewProc("PeerGraphShutdown")
)

r1, _, err := procPeerGraphShutdown.Call()
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PeerGraphShutdown: Integer; stdcall;
  external 'P2PGRAPH.dll' name 'PeerGraphShutdown';

result := DllCall("P2PGRAPH\PeerGraphShutdown", "Int")

●PeerGraphShutdown() = DLL("P2PGRAPH.dll", "int PeerGraphShutdown()")
# 呼び出し: PeerGraphShutdown()
# 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)。