EnumerateLoadedModulesEx

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

BOOL EnumerateLoadedModulesEx(
    HANDLE hProcess,
    PENUMLOADED_MODULES_CALLBACK64 EnumLoadedModulesCallback,
    void* UserContext   // optional
);

<DllImport("dbghelp.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function EnumerateLoadedModulesEx(
    hProcess As IntPtr,   ' HANDLE
    EnumLoadedModulesCallback As IntPtr,   ' PENUMLOADED_MODULES_CALLBACK64
    UserContext As IntPtr   ' void* optional
) As Boolean
End Function

' hProcess : HANDLE
' EnumLoadedModulesCallback : PENUMLOADED_MODULES_CALLBACK64
' UserContext : void* optional
Declare PtrSafe Function EnumerateLoadedModulesEx Lib "dbghelp" ( _
    ByVal hProcess As LongPtr, _
    ByVal EnumLoadedModulesCallback As LongPtr, _
    ByVal UserContext 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

EnumerateLoadedModulesEx = ctypes.windll.dbghelp.EnumerateLoadedModulesEx
EnumerateLoadedModulesEx.restype = wintypes.BOOL
EnumerateLoadedModulesEx.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    ctypes.c_void_p,  # EnumLoadedModulesCallback : PENUMLOADED_MODULES_CALLBACK64
    ctypes.POINTER(None),  # UserContext : void* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dbghelp.dll')
EnumerateLoadedModulesEx = Fiddle::Function.new(
  lib['EnumerateLoadedModulesEx'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    Fiddle::TYPE_VOIDP,  # EnumLoadedModulesCallback : PENUMLOADED_MODULES_CALLBACK64
    Fiddle::TYPE_VOIDP,  # UserContext : void* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "dbghelp")]
extern "system" {
    fn EnumerateLoadedModulesEx(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        EnumLoadedModulesCallback: *const core::ffi::c_void,  // PENUMLOADED_MODULES_CALLBACK64
        UserContext: *mut ()  // void* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dbghelp.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool EnumerateLoadedModulesEx(IntPtr hProcess, IntPtr EnumLoadedModulesCallback, IntPtr UserContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dbghelp_EnumerateLoadedModulesEx' -Namespace Win32 -PassThru
# $api::EnumerateLoadedModulesEx(hProcess, EnumLoadedModulesCallback, UserContext)

#uselib "dbghelp.dll"
#func global EnumerateLoadedModulesEx "EnumerateLoadedModulesEx" sptr, sptr, sptr
; EnumerateLoadedModulesEx hProcess, EnumLoadedModulesCallback, UserContext   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; EnumLoadedModulesCallback : PENUMLOADED_MODULES_CALLBACK64 -> "sptr"
; UserContext : void* optional -> "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 "dbghelp.dll"
#cfunc global EnumerateLoadedModulesEx "EnumerateLoadedModulesEx" sptr, sptr, sptr
; res = EnumerateLoadedModulesEx(hProcess, EnumLoadedModulesCallback, UserContext)
; hProcess : HANDLE -> "sptr"
; EnumLoadedModulesCallback : PENUMLOADED_MODULES_CALLBACK64 -> "sptr"
; UserContext : void* optional -> "sptr"

; BOOL EnumerateLoadedModulesEx(HANDLE hProcess, PENUMLOADED_MODULES_CALLBACK64 EnumLoadedModulesCallback, void* UserContext)
#uselib "dbghelp.dll"
#cfunc global EnumerateLoadedModulesEx "EnumerateLoadedModulesEx" intptr, intptr, intptr
; res = EnumerateLoadedModulesEx(hProcess, EnumLoadedModulesCallback, UserContext)
; hProcess : HANDLE -> "intptr"
; EnumLoadedModulesCallback : PENUMLOADED_MODULES_CALLBACK64 -> "intptr"
; UserContext : void* optional -> "intptr"

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

var (
	dbghelp = windows.NewLazySystemDLL("dbghelp.dll")
	procEnumerateLoadedModulesEx = dbghelp.NewProc("EnumerateLoadedModulesEx")
)

// hProcess (HANDLE), EnumLoadedModulesCallback (PENUMLOADED_MODULES_CALLBACK64), UserContext (void* optional)
r1, _, err := procEnumerateLoadedModulesEx.Call(
	uintptr(hProcess),
	uintptr(EnumLoadedModulesCallback),
	uintptr(UserContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EnumerateLoadedModulesEx(
  hProcess: THandle;   // HANDLE
  EnumLoadedModulesCallback: Pointer;   // PENUMLOADED_MODULES_CALLBACK64
  UserContext: Pointer   // void* optional
): BOOL; stdcall;
  external 'dbghelp.dll' name 'EnumerateLoadedModulesEx';

result := DllCall("dbghelp\EnumerateLoadedModulesEx"
    , "Ptr", hProcess   ; HANDLE
    , "Ptr", EnumLoadedModulesCallback   ; PENUMLOADED_MODULES_CALLBACK64
    , "Ptr", UserContext   ; void* optional
    , "Int")   ; return: BOOL

●EnumerateLoadedModulesEx(hProcess, EnumLoadedModulesCallback, UserContext) = DLL("dbghelp.dll", "bool EnumerateLoadedModulesEx(void*, void*, void*)")
# 呼び出し: EnumerateLoadedModulesEx(hProcess, EnumLoadedModulesCallback, UserContext)
# hProcess : HANDLE -> "void*"
# EnumLoadedModulesCallback : PENUMLOADED_MODULES_CALLBACK64 -> "void*"
# UserContext : void* optional -> "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)。