ホーム › NetworkManagement.Snmp › SnmpUtilOctetsFree

SnmpUtilOctetsFree

関数

SNMPのオクテット文字列に割り当てたメモリを解放する。

DLLsnmpapi.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

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

void SnmpUtilOctetsFree(
    AsnOctetString* pOctets
);

パラメーター

名前	型	方向
pOctets	AsnOctetString*	inout

戻り値の型: void

各言語での呼び出し定義

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

void SnmpUtilOctetsFree(
    AsnOctetString* pOctets
);

[DllImport("snmpapi.dll", ExactSpelling = true)]
static extern void SnmpUtilOctetsFree(
    IntPtr pOctets   // AsnOctetString* in/out
);

<DllImport("snmpapi.dll", ExactSpelling:=True)>
Public Shared Sub SnmpUtilOctetsFree(
    pOctets As IntPtr   ' AsnOctetString* in/out
)
End Sub

' pOctets : AsnOctetString* in/out
Declare PtrSafe Sub SnmpUtilOctetsFree Lib "snmpapi" ( _
    ByVal pOctets As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SnmpUtilOctetsFree = ctypes.windll.snmpapi.SnmpUtilOctetsFree
SnmpUtilOctetsFree.restype = None
SnmpUtilOctetsFree.argtypes = [
    ctypes.c_void_p,  # pOctets : AsnOctetString* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('snmpapi.dll')
SnmpUtilOctetsFree = Fiddle::Function.new(
  lib['SnmpUtilOctetsFree'],
  [
    Fiddle::TYPE_VOIDP,  # pOctets : AsnOctetString* in/out
  ],
  Fiddle::TYPE_VOID)

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

$sig = @"
[DllImport("snmpapi.dll")]
public static extern void SnmpUtilOctetsFree(IntPtr pOctets);
"@
$api = Add-Type -MemberDefinition $sig -Name 'snmpapi_SnmpUtilOctetsFree' -Namespace Win32 -PassThru
# $api::SnmpUtilOctetsFree(pOctets)

#uselib "snmpapi.dll"
#func global SnmpUtilOctetsFree "SnmpUtilOctetsFree" sptr
; SnmpUtilOctetsFree varptr(pOctets)
; pOctets : AsnOctetString* in/out -> "sptr"

出力引数:

#uselib "snmpapi.dll"
#func global SnmpUtilOctetsFree "SnmpUtilOctetsFree" var
; SnmpUtilOctetsFree pOctets
; pOctets : AsnOctetString* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "snmpapi.dll"
#func global SnmpUtilOctetsFree "SnmpUtilOctetsFree" sptr
; SnmpUtilOctetsFree varptr(pOctets)
; pOctets : AsnOctetString* in/out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; void SnmpUtilOctetsFree(AsnOctetString* pOctets)
#uselib "snmpapi.dll"
#func global SnmpUtilOctetsFree "SnmpUtilOctetsFree" var
; SnmpUtilOctetsFree pOctets
; pOctets : AsnOctetString* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; void SnmpUtilOctetsFree(AsnOctetString* pOctets)
#uselib "snmpapi.dll"
#func global SnmpUtilOctetsFree "SnmpUtilOctetsFree" intptr
; SnmpUtilOctetsFree varptr(pOctets)
; pOctets : AsnOctetString* in/out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	snmpapi = windows.NewLazySystemDLL("snmpapi.dll")
	procSnmpUtilOctetsFree = snmpapi.NewProc("SnmpUtilOctetsFree")
)

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

procedure SnmpUtilOctetsFree(
  pOctets: Pointer   // AsnOctetString* in/out
); stdcall;
  external 'snmpapi.dll' name 'SnmpUtilOctetsFree';

result := DllCall("snmpapi\SnmpUtilOctetsFree"
    , "Ptr", pOctets   ; AsnOctetString* in/out
    , "Int")   ; return: void

●SnmpUtilOctetsFree(pOctets) = DLL("snmpapi.dll", "int SnmpUtilOctetsFree(void*)")
# 呼び出し: SnmpUtilOctetsFree(pOctets)
# pOctets : AsnOctetString* 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)。