LoadPerfCounterTextStringsA

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

DWORD LoadPerfCounterTextStringsA(
    LPSTR lpCommandLine,
    BOOL bQuietModeArg
);

<DllImport("loadperf.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function LoadPerfCounterTextStringsA(
    <MarshalAs(UnmanagedType.LPStr)> lpCommandLine As String,   ' LPSTR
    bQuietModeArg As Boolean   ' BOOL
) As UInteger
End Function

' lpCommandLine : LPSTR
' bQuietModeArg : BOOL
Declare PtrSafe Function LoadPerfCounterTextStringsA Lib "loadperf" ( _
    ByVal lpCommandLine As String, _
    ByVal bQuietModeArg As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

LoadPerfCounterTextStringsA = ctypes.windll.loadperf.LoadPerfCounterTextStringsA
LoadPerfCounterTextStringsA.restype = wintypes.DWORD
LoadPerfCounterTextStringsA.argtypes = [
    wintypes.LPCSTR,  # lpCommandLine : LPSTR
    wintypes.BOOL,  # bQuietModeArg : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('loadperf.dll')
LoadPerfCounterTextStringsA = Fiddle::Function.new(
  lib['LoadPerfCounterTextStringsA'],
  [
    Fiddle::TYPE_VOIDP,  # lpCommandLine : LPSTR
    Fiddle::TYPE_INT,  # bQuietModeArg : BOOL
  ],
  -Fiddle::TYPE_INT)

#[link(name = "loadperf")]
extern "system" {
    fn LoadPerfCounterTextStringsA(
        lpCommandLine: *mut u8,  // LPSTR
        bQuietModeArg: i32  // BOOL
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("loadperf.dll", CharSet = CharSet.Ansi)]
public static extern uint LoadPerfCounterTextStringsA([MarshalAs(UnmanagedType.LPStr)] string lpCommandLine, bool bQuietModeArg);
"@
$api = Add-Type -MemberDefinition $sig -Name 'loadperf_LoadPerfCounterTextStringsA' -Namespace Win32 -PassThru
# $api::LoadPerfCounterTextStringsA(lpCommandLine, bQuietModeArg)

#uselib "loadperf.dll"
#func global LoadPerfCounterTextStringsA "LoadPerfCounterTextStringsA" sptr, sptr
; LoadPerfCounterTextStringsA lpCommandLine, bQuietModeArg   ; 戻り値は stat
; lpCommandLine : LPSTR -> "sptr"
; bQuietModeArg : BOOL -> "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。

#uselib "loadperf.dll"
#cfunc global LoadPerfCounterTextStringsA "LoadPerfCounterTextStringsA" str, int
; res = LoadPerfCounterTextStringsA(lpCommandLine, bQuietModeArg)
; lpCommandLine : LPSTR -> "str"
; bQuietModeArg : BOOL -> "int"

; DWORD LoadPerfCounterTextStringsA(LPSTR lpCommandLine, BOOL bQuietModeArg)
#uselib "loadperf.dll"
#cfunc global LoadPerfCounterTextStringsA "LoadPerfCounterTextStringsA" str, int
; res = LoadPerfCounterTextStringsA(lpCommandLine, bQuietModeArg)
; lpCommandLine : LPSTR -> "str"
; bQuietModeArg : BOOL -> "int"

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

var (
	loadperf = windows.NewLazySystemDLL("loadperf.dll")
	procLoadPerfCounterTextStringsA = loadperf.NewProc("LoadPerfCounterTextStringsA")
)

// lpCommandLine (LPSTR), bQuietModeArg (BOOL)
r1, _, err := procLoadPerfCounterTextStringsA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpCommandLine))),
	uintptr(bQuietModeArg),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function LoadPerfCounterTextStringsA(
  lpCommandLine: PAnsiChar;   // LPSTR
  bQuietModeArg: BOOL   // BOOL
): DWORD; stdcall;
  external 'loadperf.dll' name 'LoadPerfCounterTextStringsA';

result := DllCall("loadperf\LoadPerfCounterTextStringsA"
    , "AStr", lpCommandLine   ; LPSTR
    , "Int", bQuietModeArg   ; BOOL
    , "UInt")   ; return: DWORD

●LoadPerfCounterTextStringsA(lpCommandLine, bQuietModeArg) = DLL("loadperf.dll", "dword LoadPerfCounterTextStringsA(char*, bool)")
# 呼び出し: LoadPerfCounterTextStringsA(lpCommandLine, bQuietModeArg)
# lpCommandLine : LPSTR -> "char*"
# bQuietModeArg : BOOL -> "bool"
# 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)。