RtlCharToInteger

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

NTSTATUS RtlCharToInteger(
    CHAR* String,
    DWORD Base,
    DWORD* Value
);

<DllImport("ntdll.dll", ExactSpelling:=True)>
Public Shared Function RtlCharToInteger(
    [String] As IntPtr,   ' CHAR* in/out
    Base As UInteger,   ' DWORD
    ByRef Value As UInteger   ' DWORD* in/out
) As Integer
End Function

' String : CHAR* in/out
' Base : DWORD
' Value : DWORD* in/out
Declare PtrSafe Function RtlCharToInteger Lib "ntdll" ( _
    ByVal String As LongPtr, _
    ByVal Base As Long, _
    ByRef Value 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

RtlCharToInteger = ctypes.windll.ntdll.RtlCharToInteger
RtlCharToInteger.restype = ctypes.c_int
RtlCharToInteger.argtypes = [
    ctypes.POINTER(ctypes.c_byte),  # String : CHAR* in/out
    wintypes.DWORD,  # Base : DWORD
    ctypes.POINTER(wintypes.DWORD),  # Value : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ntdll.dll')
RtlCharToInteger = Fiddle::Function.new(
  lib['RtlCharToInteger'],
  [
    Fiddle::TYPE_VOIDP,  # String : CHAR* in/out
    -Fiddle::TYPE_INT,  # Base : DWORD
    Fiddle::TYPE_VOIDP,  # Value : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ntdll")]
extern "system" {
    fn RtlCharToInteger(
        String: *mut i8,  // CHAR* in/out
        Base: u32,  // DWORD
        Value: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ntdll.dll")]
public static extern int RtlCharToInteger(IntPtr String, uint Base, ref uint Value);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ntdll_RtlCharToInteger' -Namespace Win32 -PassThru
# $api::RtlCharToInteger(String, Base, Value)

#uselib "ntdll.dll"
#func global RtlCharToInteger "RtlCharToInteger" sptr, sptr, sptr
; RtlCharToInteger varptr(String), Base, varptr(Value)   ; 戻り値は stat
; String : CHAR* in/out -> "sptr"
; Base : DWORD -> "sptr"
; Value : DWORD* 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 "ntdll.dll"
#cfunc global RtlCharToInteger "RtlCharToInteger" var, int, var
; res = RtlCharToInteger(String, Base, Value)
; String : CHAR* in/out -> "var"
; Base : DWORD -> "int"
; Value : DWORD* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; NTSTATUS RtlCharToInteger(CHAR* String, DWORD Base, DWORD* Value)
#uselib "ntdll.dll"
#cfunc global RtlCharToInteger "RtlCharToInteger" var, int, var
; res = RtlCharToInteger(String, Base, Value)
; String : CHAR* in/out -> "var"
; Base : DWORD -> "int"
; Value : DWORD* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	ntdll = windows.NewLazySystemDLL("ntdll.dll")
	procRtlCharToInteger = ntdll.NewProc("RtlCharToInteger")
)

// String (CHAR* in/out), Base (DWORD), Value (DWORD* in/out)
r1, _, err := procRtlCharToInteger.Call(
	uintptr(String),
	uintptr(Base),
	uintptr(Value),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function RtlCharToInteger(
  String: Pointer;   // CHAR* in/out
  Base: DWORD;   // DWORD
  Value: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'ntdll.dll' name 'RtlCharToInteger';

result := DllCall("ntdll\RtlCharToInteger"
    , "Ptr", String   ; CHAR* in/out
    , "UInt", Base   ; DWORD
    , "Ptr", Value   ; DWORD* in/out
    , "Int")   ; return: NTSTATUS

●RtlCharToInteger(String, Base, Value) = DLL("ntdll.dll", "int RtlCharToInteger(void*, dword, void*)")
# 呼び出し: RtlCharToInteger(String, Base, Value)
# String : CHAR* in/out -> "void*"
# Base : DWORD -> "dword"
# Value : DWORD* 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)。