SymFunctionTableAccess

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

void* SymFunctionTableAccess(
    HANDLE hProcess,
    DWORD AddrBase
);

<DllImport("dbghelp.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SymFunctionTableAccess(
    hProcess As IntPtr,   ' HANDLE
    AddrBase As UInteger   ' DWORD
) As IntPtr
End Function

' hProcess : HANDLE
' AddrBase : DWORD
Declare PtrSafe Function SymFunctionTableAccess Lib "dbghelp" ( _
    ByVal hProcess As LongPtr, _
    ByVal AddrBase As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SymFunctionTableAccess = ctypes.windll.dbghelp.SymFunctionTableAccess
SymFunctionTableAccess.restype = ctypes.c_void_p
SymFunctionTableAccess.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    wintypes.DWORD,  # AddrBase : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dbghelp.dll')
SymFunctionTableAccess = Fiddle::Function.new(
  lib['SymFunctionTableAccess'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    -Fiddle::TYPE_INT,  # AddrBase : DWORD
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "dbghelp")]
extern "system" {
    fn SymFunctionTableAccess(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        AddrBase: u32  // DWORD
    ) -> *mut ();
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dbghelp.dll", SetLastError = true)]
public static extern IntPtr SymFunctionTableAccess(IntPtr hProcess, uint AddrBase);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dbghelp_SymFunctionTableAccess' -Namespace Win32 -PassThru
# $api::SymFunctionTableAccess(hProcess, AddrBase)

#uselib "dbghelp.dll"
#func global SymFunctionTableAccess "SymFunctionTableAccess" sptr, sptr
; SymFunctionTableAccess hProcess, AddrBase   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; AddrBase : DWORD -> "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 SymFunctionTableAccess "SymFunctionTableAccess" sptr, int
; res = SymFunctionTableAccess(hProcess, AddrBase)
; hProcess : HANDLE -> "sptr"
; AddrBase : DWORD -> "int"

; void* SymFunctionTableAccess(HANDLE hProcess, DWORD AddrBase)
#uselib "dbghelp.dll"
#cfunc global SymFunctionTableAccess "SymFunctionTableAccess" intptr, int
; res = SymFunctionTableAccess(hProcess, AddrBase)
; hProcess : HANDLE -> "intptr"
; AddrBase : DWORD -> "int"

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

var (
	dbghelp = windows.NewLazySystemDLL("dbghelp.dll")
	procSymFunctionTableAccess = dbghelp.NewProc("SymFunctionTableAccess")
)

// hProcess (HANDLE), AddrBase (DWORD)
r1, _, err := procSymFunctionTableAccess.Call(
	uintptr(hProcess),
	uintptr(AddrBase),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void*

function SymFunctionTableAccess(
  hProcess: THandle;   // HANDLE
  AddrBase: DWORD   // DWORD
): Pointer; stdcall;
  external 'dbghelp.dll' name 'SymFunctionTableAccess';

result := DllCall("dbghelp\SymFunctionTableAccess"
    , "Ptr", hProcess   ; HANDLE
    , "UInt", AddrBase   ; DWORD
    , "Ptr")   ; return: void*

●SymFunctionTableAccess(hProcess, AddrBase) = DLL("dbghelp.dll", "void* SymFunctionTableAccess(void*, dword)")
# 呼び出し: SymFunctionTableAccess(hProcess, AddrBase)
# hProcess : HANDLE -> "void*"
# AddrBase : DWORD -> "dword"
# 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)。