SnmpSvcGetUptime

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

DWORD SnmpSvcGetUptime(void);

<DllImport("snmpapi.dll", ExactSpelling:=True)>
Public Shared Function SnmpSvcGetUptime() As UInteger
End Function

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

import ctypes
from ctypes import wintypes

SnmpSvcGetUptime = ctypes.windll.snmpapi.SnmpSvcGetUptime
SnmpSvcGetUptime.restype = wintypes.DWORD
SnmpSvcGetUptime.argtypes = []

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('snmpapi.dll')
SnmpSvcGetUptime = Fiddle::Function.new(
  lib['SnmpSvcGetUptime'],
  [],
  -Fiddle::TYPE_INT)

#[link(name = "snmpapi")]
extern "system" {
    fn SnmpSvcGetUptime() -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("snmpapi.dll")]
public static extern uint SnmpSvcGetUptime();
"@
$api = Add-Type -MemberDefinition $sig -Name 'snmpapi_SnmpSvcGetUptime' -Namespace Win32 -PassThru
# $api::SnmpSvcGetUptime()

#uselib "snmpapi.dll"
#func global SnmpSvcGetUptime "SnmpSvcGetUptime"
; SnmpSvcGetUptime   ; 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 "snmpapi.dll"
#cfunc global SnmpSvcGetUptime "SnmpSvcGetUptime"
; res = SnmpSvcGetUptime()

; DWORD SnmpSvcGetUptime()
#uselib "snmpapi.dll"
#cfunc global SnmpSvcGetUptime "SnmpSvcGetUptime"
; res = SnmpSvcGetUptime()

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

var (
	snmpapi = windows.NewLazySystemDLL("snmpapi.dll")
	procSnmpSvcGetUptime = snmpapi.NewProc("SnmpSvcGetUptime")
)

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

function SnmpSvcGetUptime: DWORD; stdcall;
  external 'snmpapi.dll' name 'SnmpSvcGetUptime';

result := DllCall("snmpapi\SnmpSvcGetUptime", "UInt")

●SnmpSvcGetUptime() = DLL("snmpapi.dll", "dword SnmpSvcGetUptime()")
# 呼び出し: SnmpSvcGetUptime()
# 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)。