ScriptStringXtoCP

// USP10.dll
#include <windows.h>

HRESULT ScriptStringXtoCP(
    void* ssa,
    INT iX,
    INT* piCh,
    INT* piTrailing
);

<DllImport("USP10.dll", ExactSpelling:=True)>
Public Shared Function ScriptStringXtoCP(
    ssa As IntPtr,   ' void*
    iX As Integer,   ' INT
    <Out> ByRef piCh As Integer,   ' INT* out
    <Out> ByRef piTrailing As Integer   ' INT* out
) As Integer
End Function

' ssa : void*
' iX : INT
' piCh : INT* out
' piTrailing : INT* out
Declare PtrSafe Function ScriptStringXtoCP Lib "usp10" ( _
    ByVal ssa As LongPtr, _
    ByVal iX As Long, _
    ByRef piCh As Long, _
    ByRef piTrailing 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

ScriptStringXtoCP = ctypes.windll.usp10.ScriptStringXtoCP
ScriptStringXtoCP.restype = ctypes.c_int
ScriptStringXtoCP.argtypes = [
    ctypes.POINTER(None),  # ssa : void*
    ctypes.c_int,  # iX : INT
    ctypes.POINTER(ctypes.c_int),  # piCh : INT* out
    ctypes.POINTER(ctypes.c_int),  # piTrailing : INT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USP10.dll')
ScriptStringXtoCP = Fiddle::Function.new(
  lib['ScriptStringXtoCP'],
  [
    Fiddle::TYPE_VOIDP,  # ssa : void*
    Fiddle::TYPE_INT,  # iX : INT
    Fiddle::TYPE_VOIDP,  # piCh : INT* out
    Fiddle::TYPE_VOIDP,  # piTrailing : INT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "usp10")]
extern "system" {
    fn ScriptStringXtoCP(
        ssa: *mut (),  // void*
        iX: i32,  // INT
        piCh: *mut i32,  // INT* out
        piTrailing: *mut i32  // INT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USP10.dll")]
public static extern int ScriptStringXtoCP(IntPtr ssa, int iX, out int piCh, out int piTrailing);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USP10_ScriptStringXtoCP' -Namespace Win32 -PassThru
# $api::ScriptStringXtoCP(ssa, iX, piCh, piTrailing)

#uselib "USP10.dll"
#func global ScriptStringXtoCP "ScriptStringXtoCP" sptr, sptr, sptr, sptr
; ScriptStringXtoCP ssa, iX, varptr(piCh), varptr(piTrailing)   ; 戻り値は stat
; ssa : void* -> "sptr"
; iX : INT -> "sptr"
; piCh : INT* out -> "sptr"
; piTrailing : INT* 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 "USP10.dll"
#cfunc global ScriptStringXtoCP "ScriptStringXtoCP" sptr, int, var, var
; res = ScriptStringXtoCP(ssa, iX, piCh, piTrailing)
; ssa : void* -> "sptr"
; iX : INT -> "int"
; piCh : INT* out -> "var"
; piTrailing : INT* 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。

; HRESULT ScriptStringXtoCP(void* ssa, INT iX, INT* piCh, INT* piTrailing)
#uselib "USP10.dll"
#cfunc global ScriptStringXtoCP "ScriptStringXtoCP" intptr, int, var, var
; res = ScriptStringXtoCP(ssa, iX, piCh, piTrailing)
; ssa : void* -> "intptr"
; iX : INT -> "int"
; piCh : INT* out -> "var"
; piTrailing : INT* 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 (
	usp10 = windows.NewLazySystemDLL("USP10.dll")
	procScriptStringXtoCP = usp10.NewProc("ScriptStringXtoCP")
)

// ssa (void*), iX (INT), piCh (INT* out), piTrailing (INT* out)
r1, _, err := procScriptStringXtoCP.Call(
	uintptr(ssa),
	uintptr(iX),
	uintptr(piCh),
	uintptr(piTrailing),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function ScriptStringXtoCP(
  ssa: Pointer;   // void*
  iX: Integer;   // INT
  piCh: Pointer;   // INT* out
  piTrailing: Pointer   // INT* out
): Integer; stdcall;
  external 'USP10.dll' name 'ScriptStringXtoCP';

result := DllCall("USP10\ScriptStringXtoCP"
    , "Ptr", ssa   ; void*
    , "Int", iX   ; INT
    , "Ptr", piCh   ; INT* out
    , "Ptr", piTrailing   ; INT* out
    , "Int")   ; return: HRESULT

●ScriptStringXtoCP(ssa, iX, piCh, piTrailing) = DLL("USP10.dll", "int ScriptStringXtoCP(void*, int, void*, void*)")
# 呼び出し: ScriptStringXtoCP(ssa, iX, piCh, piTrailing)
# ssa : void* -> "void*"
# iX : INT -> "int"
# piCh : INT* out -> "void*"
# piTrailing : INT* 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)。