SymSrvGetFileIndexStringW

// dbghelp.dll  (Unicode / -W)
#include <windows.h>

BOOL SymSrvGetFileIndexStringW(
    HANDLE hProcess,
    LPCWSTR SrvPath,   // optional
    LPCWSTR File,
    LPWSTR Index,
    UINT_PTR Size,
    DWORD Flags
);

<DllImport("dbghelp.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SymSrvGetFileIndexStringW(
    hProcess As IntPtr,   ' HANDLE
    <MarshalAs(UnmanagedType.LPWStr)> SrvPath As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> File As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> Index As System.Text.StringBuilder,   ' LPWSTR out
    Size As UIntPtr,   ' UINT_PTR
    Flags As UInteger   ' DWORD
) As Boolean
End Function

' hProcess : HANDLE
' SrvPath : LPCWSTR optional
' File : LPCWSTR
' Index : LPWSTR out
' Size : UINT_PTR
' Flags : DWORD
Declare PtrSafe Function SymSrvGetFileIndexStringW Lib "dbghelp" ( _
    ByVal hProcess As LongPtr, _
    ByVal SrvPath As LongPtr, _
    ByVal File As LongPtr, _
    ByVal Index As LongPtr, _
    ByVal Size As LongPtr, _
    ByVal Flags As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SymSrvGetFileIndexStringW = ctypes.windll.dbghelp.SymSrvGetFileIndexStringW
SymSrvGetFileIndexStringW.restype = wintypes.BOOL
SymSrvGetFileIndexStringW.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    wintypes.LPCWSTR,  # SrvPath : LPCWSTR optional
    wintypes.LPCWSTR,  # File : LPCWSTR
    wintypes.LPWSTR,  # Index : LPWSTR out
    ctypes.c_size_t,  # Size : UINT_PTR
    wintypes.DWORD,  # Flags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dbghelp.dll')
SymSrvGetFileIndexStringW = Fiddle::Function.new(
  lib['SymSrvGetFileIndexStringW'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    Fiddle::TYPE_VOIDP,  # SrvPath : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # File : LPCWSTR
    Fiddle::TYPE_VOIDP,  # Index : LPWSTR out
    Fiddle::TYPE_UINTPTR_T,  # Size : UINT_PTR
    -Fiddle::TYPE_INT,  # Flags : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "dbghelp")]
extern "system" {
    fn SymSrvGetFileIndexStringW(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        SrvPath: *const u16,  // LPCWSTR optional
        File: *const u16,  // LPCWSTR
        Index: *mut u16,  // LPWSTR out
        Size: usize,  // UINT_PTR
        Flags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dbghelp.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool SymSrvGetFileIndexStringW(IntPtr hProcess, [MarshalAs(UnmanagedType.LPWStr)] string SrvPath, [MarshalAs(UnmanagedType.LPWStr)] string File, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder Index, UIntPtr Size, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dbghelp_SymSrvGetFileIndexStringW' -Namespace Win32 -PassThru
# $api::SymSrvGetFileIndexStringW(hProcess, SrvPath, File, Index, Size, Flags)

#uselib "dbghelp.dll"
#func global SymSrvGetFileIndexStringW "SymSrvGetFileIndexStringW" wptr, wptr, wptr, wptr, wptr, wptr
; SymSrvGetFileIndexStringW hProcess, SrvPath, File, varptr(Index), Size, Flags   ; 戻り値は stat
; hProcess : HANDLE -> "wptr"
; SrvPath : LPCWSTR optional -> "wptr"
; File : LPCWSTR -> "wptr"
; Index : LPWSTR out -> "wptr"
; Size : UINT_PTR -> "wptr"
; Flags : DWORD -> "wptr"
; ※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 SymSrvGetFileIndexStringW "SymSrvGetFileIndexStringW" sptr, wstr, wstr, var, sptr, int
; res = SymSrvGetFileIndexStringW(hProcess, SrvPath, File, Index, Size, Flags)
; hProcess : HANDLE -> "sptr"
; SrvPath : LPCWSTR optional -> "wstr"
; File : LPCWSTR -> "wstr"
; Index : LPWSTR out -> "var"
; Size : UINT_PTR -> "sptr"
; Flags : DWORD -> "int"
; ※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。

; BOOL SymSrvGetFileIndexStringW(HANDLE hProcess, LPCWSTR SrvPath, LPCWSTR File, LPWSTR Index, UINT_PTR Size, DWORD Flags)
#uselib "dbghelp.dll"
#cfunc global SymSrvGetFileIndexStringW "SymSrvGetFileIndexStringW" intptr, wstr, wstr, var, intptr, int
; res = SymSrvGetFileIndexStringW(hProcess, SrvPath, File, Index, Size, Flags)
; hProcess : HANDLE -> "intptr"
; SrvPath : LPCWSTR optional -> "wstr"
; File : LPCWSTR -> "wstr"
; Index : LPWSTR out -> "var"
; Size : UINT_PTR -> "intptr"
; Flags : DWORD -> "int"
; ※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 (
	dbghelp = windows.NewLazySystemDLL("dbghelp.dll")
	procSymSrvGetFileIndexStringW = dbghelp.NewProc("SymSrvGetFileIndexStringW")
)

// hProcess (HANDLE), SrvPath (LPCWSTR optional), File (LPCWSTR), Index (LPWSTR out), Size (UINT_PTR), Flags (DWORD)
r1, _, err := procSymSrvGetFileIndexStringW.Call(
	uintptr(hProcess),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(SrvPath))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(File))),
	uintptr(Index),
	uintptr(Size),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SymSrvGetFileIndexStringW(
  hProcess: THandle;   // HANDLE
  SrvPath: PWideChar;   // LPCWSTR optional
  File: PWideChar;   // LPCWSTR
  Index: PWideChar;   // LPWSTR out
  Size: NativeUInt;   // UINT_PTR
  Flags: DWORD   // DWORD
): BOOL; stdcall;
  external 'dbghelp.dll' name 'SymSrvGetFileIndexStringW';

result := DllCall("dbghelp\SymSrvGetFileIndexStringW"
    , "Ptr", hProcess   ; HANDLE
    , "WStr", SrvPath   ; LPCWSTR optional
    , "WStr", File   ; LPCWSTR
    , "Ptr", Index   ; LPWSTR out
    , "UPtr", Size   ; UINT_PTR
    , "UInt", Flags   ; DWORD
    , "Int")   ; return: BOOL

●SymSrvGetFileIndexStringW(hProcess, SrvPath, File, Index, Size, Flags) = DLL("dbghelp.dll", "bool SymSrvGetFileIndexStringW(void*, char*, char*, char*, int, dword)")
# 呼び出し: SymSrvGetFileIndexStringW(hProcess, SrvPath, File, Index, Size, Flags)
# hProcess : HANDLE -> "void*"
# SrvPath : LPCWSTR optional -> "char*"
# File : LPCWSTR -> "char*"
# Index : LPWSTR out -> "char*"
# Size : UINT_PTR -> "int"
# Flags : 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。