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PeerFreeData

関数

ピアAPIが割り当てたデータのメモリを解放する。

DLLP2P.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

// P2P.dll
#include <windows.h>

void PeerFreeData(
    const void* pvData   // optional
);

パラメーター

名前	型	方向
pvData	void*	inoptional

戻り値の型: void

各言語での呼び出し定義

// P2P.dll
#include <windows.h>

void PeerFreeData(
    const void* pvData   // optional
);

[DllImport("P2P.dll", ExactSpelling = true)]
static extern void PeerFreeData(
    IntPtr pvData   // void* optional
);

<DllImport("P2P.dll", ExactSpelling:=True)>
Public Shared Sub PeerFreeData(
    pvData As IntPtr   ' void* optional
)
End Sub

' pvData : void* optional
Declare PtrSafe Sub PeerFreeData Lib "p2p" ( _
    ByVal pvData As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PeerFreeData = ctypes.windll.p2p.PeerFreeData
PeerFreeData.restype = None
PeerFreeData.argtypes = [
    ctypes.POINTER(None),  # pvData : void* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2P.dll')
PeerFreeData = Fiddle::Function.new(
  lib['PeerFreeData'],
  [
    Fiddle::TYPE_VOIDP,  # pvData : void* optional
  ],
  Fiddle::TYPE_VOID)

#[link(name = "p2p")]
extern "system" {
    fn PeerFreeData(
        pvData: *const ()  // void* optional
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("P2P.dll")]
public static extern void PeerFreeData(IntPtr pvData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2P_PeerFreeData' -Namespace Win32 -PassThru
# $api::PeerFreeData(pvData)

#uselib "P2P.dll"
#func global PeerFreeData "PeerFreeData" sptr
; PeerFreeData pvData
; pvData : void* optional -> "sptr"

#uselib "P2P.dll"
#func global PeerFreeData "PeerFreeData" sptr
; PeerFreeData pvData
; pvData : void* optional -> "sptr"

; void PeerFreeData(void* pvData)
#uselib "P2P.dll"
#func global PeerFreeData "PeerFreeData" intptr
; PeerFreeData pvData
; pvData : void* optional -> "intptr"

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

var (
	p2p = windows.NewLazySystemDLL("P2P.dll")
	procPeerFreeData = p2p.NewProc("PeerFreeData")
)

// pvData (void* optional)
r1, _, err := procPeerFreeData.Call(
	uintptr(pvData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure PeerFreeData(
  pvData: Pointer   // void* optional
); stdcall;
  external 'P2P.dll' name 'PeerFreeData';

result := DllCall("P2P\PeerFreeData"
    , "Ptr", pvData   ; void* optional
    , "Int")   ; return: void

●PeerFreeData(pvData) = DLL("P2P.dll", "int PeerFreeData(void*)")
# 呼び出し: PeerFreeData(pvData)
# pvData : void* 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)。