EnumPageFilesA

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

BOOL EnumPageFilesA(
    PENUM_PAGE_FILE_CALLBACKA pCallBackRoutine,
    void* pContext
);

<DllImport("PSAPI.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function EnumPageFilesA(
    pCallBackRoutine As IntPtr,   ' PENUM_PAGE_FILE_CALLBACKA
    pContext As IntPtr   ' void* in/out
) As Boolean
End Function

' pCallBackRoutine : PENUM_PAGE_FILE_CALLBACKA
' pContext : void* in/out
Declare PtrSafe Function EnumPageFilesA Lib "psapi" ( _
    ByVal pCallBackRoutine As LongPtr, _
    ByVal pContext 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

EnumPageFilesA = ctypes.windll.psapi.EnumPageFilesA
EnumPageFilesA.restype = wintypes.BOOL
EnumPageFilesA.argtypes = [
    ctypes.c_void_p,  # pCallBackRoutine : PENUM_PAGE_FILE_CALLBACKA
    ctypes.POINTER(None),  # pContext : void* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PSAPI.dll')
EnumPageFilesA = Fiddle::Function.new(
  lib['EnumPageFilesA'],
  [
    Fiddle::TYPE_VOIDP,  # pCallBackRoutine : PENUM_PAGE_FILE_CALLBACKA
    Fiddle::TYPE_VOIDP,  # pContext : void* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "psapi")]
extern "system" {
    fn EnumPageFilesA(
        pCallBackRoutine: *const core::ffi::c_void,  // PENUM_PAGE_FILE_CALLBACKA
        pContext: *mut ()  // void* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("PSAPI.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool EnumPageFilesA(IntPtr pCallBackRoutine, IntPtr pContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PSAPI_EnumPageFilesA' -Namespace Win32 -PassThru
# $api::EnumPageFilesA(pCallBackRoutine, pContext)

#uselib "PSAPI.dll"
#func global EnumPageFilesA "EnumPageFilesA" sptr, sptr
; EnumPageFilesA pCallBackRoutine, pContext   ; 戻り値は stat
; pCallBackRoutine : PENUM_PAGE_FILE_CALLBACKA -> "sptr"
; pContext : void* 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。

#uselib "PSAPI.dll"
#cfunc global EnumPageFilesA "EnumPageFilesA" sptr, sptr
; res = EnumPageFilesA(pCallBackRoutine, pContext)
; pCallBackRoutine : PENUM_PAGE_FILE_CALLBACKA -> "sptr"
; pContext : void* in/out -> "sptr"

; BOOL EnumPageFilesA(PENUM_PAGE_FILE_CALLBACKA pCallBackRoutine, void* pContext)
#uselib "PSAPI.dll"
#cfunc global EnumPageFilesA "EnumPageFilesA" intptr, intptr
; res = EnumPageFilesA(pCallBackRoutine, pContext)
; pCallBackRoutine : PENUM_PAGE_FILE_CALLBACKA -> "intptr"
; pContext : void* in/out -> "intptr"

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

var (
	psapi = windows.NewLazySystemDLL("PSAPI.dll")
	procEnumPageFilesA = psapi.NewProc("EnumPageFilesA")
)

// pCallBackRoutine (PENUM_PAGE_FILE_CALLBACKA), pContext (void* in/out)
r1, _, err := procEnumPageFilesA.Call(
	uintptr(pCallBackRoutine),
	uintptr(pContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EnumPageFilesA(
  pCallBackRoutine: Pointer;   // PENUM_PAGE_FILE_CALLBACKA
  pContext: Pointer   // void* in/out
): BOOL; stdcall;
  external 'PSAPI.dll' name 'EnumPageFilesA';

result := DllCall("PSAPI\EnumPageFilesA"
    , "Ptr", pCallBackRoutine   ; PENUM_PAGE_FILE_CALLBACKA
    , "Ptr", pContext   ; void* in/out
    , "Int")   ; return: BOOL

●EnumPageFilesA(pCallBackRoutine, pContext) = DLL("PSAPI.dll", "bool EnumPageFilesA(void*, void*)")
# 呼び出し: EnumPageFilesA(pCallBackRoutine, pContext)
# pCallBackRoutine : PENUM_PAGE_FILE_CALLBACKA -> "void*"
# pContext : void* 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)。