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IsDestinationReachableA

関数

指定宛先への到達可能性を確認する(ANSI版)。

DLLSensApi.dll文字セットANSI (-A)呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// SensApi.dll  (ANSI / -A)
#include <windows.h>

BOOL IsDestinationReachableA(
    LPCSTR lpszDestination,
    QOCINFO* lpQOCInfo
);

パラメーター

名前	型	方向
lpszDestination	LPCSTR	in
lpQOCInfo	QOCINFO*	inout

戻り値の型: BOOL

各言語での呼び出し定義

// SensApi.dll  (ANSI / -A)
#include <windows.h>

BOOL IsDestinationReachableA(
    LPCSTR lpszDestination,
    QOCINFO* lpQOCInfo
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SensApi.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool IsDestinationReachableA(
    [MarshalAs(UnmanagedType.LPStr)] string lpszDestination,   // LPCSTR
    IntPtr lpQOCInfo   // QOCINFO* in/out
);

<DllImport("SensApi.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function IsDestinationReachableA(
    <MarshalAs(UnmanagedType.LPStr)> lpszDestination As String,   ' LPCSTR
    lpQOCInfo As IntPtr   ' QOCINFO* in/out
) As Boolean
End Function

' lpszDestination : LPCSTR
' lpQOCInfo : QOCINFO* in/out
Declare PtrSafe Function IsDestinationReachableA Lib "sensapi" ( _
    ByVal lpszDestination As String, _
    ByVal lpQOCInfo As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

IsDestinationReachableA = ctypes.windll.sensapi.IsDestinationReachableA
IsDestinationReachableA.restype = wintypes.BOOL
IsDestinationReachableA.argtypes = [
    wintypes.LPCSTR,  # lpszDestination : LPCSTR
    ctypes.c_void_p,  # lpQOCInfo : QOCINFO* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SensApi.dll')
IsDestinationReachableA = Fiddle::Function.new(
  lib['IsDestinationReachableA'],
  [
    Fiddle::TYPE_VOIDP,  # lpszDestination : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpQOCInfo : QOCINFO* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "sensapi")]
extern "system" {
    fn IsDestinationReachableA(
        lpszDestination: *const u8,  // LPCSTR
        lpQOCInfo: *mut QOCINFO  // QOCINFO* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SensApi.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool IsDestinationReachableA([MarshalAs(UnmanagedType.LPStr)] string lpszDestination, IntPtr lpQOCInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SensApi_IsDestinationReachableA' -Namespace Win32 -PassThru
# $api::IsDestinationReachableA(lpszDestination, lpQOCInfo)

#uselib "SensApi.dll"
#func global IsDestinationReachableA "IsDestinationReachableA" sptr, sptr
; IsDestinationReachableA lpszDestination, varptr(lpQOCInfo)   ; 戻り値は stat
; lpszDestination : LPCSTR -> "sptr"
; lpQOCInfo : QOCINFO* 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。

出力引数:

#uselib "SensApi.dll"
#cfunc global IsDestinationReachableA "IsDestinationReachableA" str, var
; res = IsDestinationReachableA(lpszDestination, lpQOCInfo)
; lpszDestination : LPCSTR -> "str"
; lpQOCInfo : QOCINFO* 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 "SensApi.dll"
#cfunc global IsDestinationReachableA "IsDestinationReachableA" str, sptr
; res = IsDestinationReachableA(lpszDestination, varptr(lpQOCInfo))
; lpszDestination : LPCSTR -> "str"
; lpQOCInfo : QOCINFO* 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:

; BOOL IsDestinationReachableA(LPCSTR lpszDestination, QOCINFO* lpQOCInfo)
#uselib "SensApi.dll"
#cfunc global IsDestinationReachableA "IsDestinationReachableA" str, var
; res = IsDestinationReachableA(lpszDestination, lpQOCInfo)
; lpszDestination : LPCSTR -> "str"
; lpQOCInfo : QOCINFO* 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。; BOOL IsDestinationReachableA(LPCSTR lpszDestination, QOCINFO* lpQOCInfo)
#uselib "SensApi.dll"
#cfunc global IsDestinationReachableA "IsDestinationReachableA" str, intptr
; res = IsDestinationReachableA(lpszDestination, varptr(lpQOCInfo))
; lpszDestination : LPCSTR -> "str"
; lpQOCInfo : QOCINFO* 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 (
	sensapi = windows.NewLazySystemDLL("SensApi.dll")
	procIsDestinationReachableA = sensapi.NewProc("IsDestinationReachableA")
)

// lpszDestination (LPCSTR), lpQOCInfo (QOCINFO* in/out)
r1, _, err := procIsDestinationReachableA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszDestination))),
	uintptr(lpQOCInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function IsDestinationReachableA(
  lpszDestination: PAnsiChar;   // LPCSTR
  lpQOCInfo: Pointer   // QOCINFO* in/out
): BOOL; stdcall;
  external 'SensApi.dll' name 'IsDestinationReachableA';

result := DllCall("SensApi\IsDestinationReachableA"
    , "AStr", lpszDestination   ; LPCSTR
    , "Ptr", lpQOCInfo   ; QOCINFO* in/out
    , "Int")   ; return: BOOL

●IsDestinationReachableA(lpszDestination, lpQOCInfo) = DLL("SensApi.dll", "bool IsDestinationReachableA(char*, void*)")
# 呼び出し: IsDestinationReachableA(lpszDestination, lpQOCInfo)
# lpszDestination : LPCSTR -> "char*"
# lpQOCInfo : QOCINFO* 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)。