SymGetSearchPath

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

BOOL SymGetSearchPath(
    HANDLE hProcess,
    LPSTR SearchPathA,
    DWORD SearchPathLength
);

<DllImport("dbghelp.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SymGetSearchPath(
    hProcess As IntPtr,   ' HANDLE
    <MarshalAs(UnmanagedType.LPStr)> SearchPathA As System.Text.StringBuilder,   ' LPSTR out
    SearchPathLength As UInteger   ' DWORD
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hProcess : HANDLE
' SearchPathA : LPSTR out
' SearchPathLength : DWORD
Declare PtrSafe Function SymGetSearchPath Lib "dbghelp" ( _
    ByVal hProcess As LongPtr, _
    ByVal SearchPathA As String, _
    ByVal SearchPathLength 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

SymGetSearchPath = ctypes.windll.dbghelp.SymGetSearchPath
SymGetSearchPath.restype = wintypes.BOOL
SymGetSearchPath.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    wintypes.LPSTR,  # SearchPathA : LPSTR out
    wintypes.DWORD,  # SearchPathLength : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dbghelp.dll')
SymGetSearchPath = Fiddle::Function.new(
  lib['SymGetSearchPath'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    Fiddle::TYPE_VOIDP,  # SearchPathA : LPSTR out
    -Fiddle::TYPE_INT,  # SearchPathLength : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "dbghelp")]
extern "system" {
    fn SymGetSearchPath(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        SearchPathA: *mut u8,  // LPSTR out
        SearchPathLength: u32  // DWORD
    ) -> 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 SymGetSearchPath(IntPtr hProcess, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder SearchPathA, uint SearchPathLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dbghelp_SymGetSearchPath' -Namespace Win32 -PassThru
# $api::SymGetSearchPath(hProcess, SearchPathA, SearchPathLength)

#uselib "dbghelp.dll"
#func global SymGetSearchPath "SymGetSearchPath" sptr, sptr, sptr
; SymGetSearchPath hProcess, varptr(SearchPathA), SearchPathLength   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; SearchPathA : LPSTR out -> "sptr"
; SearchPathLength : 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。

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

var (
	dbghelp = windows.NewLazySystemDLL("dbghelp.dll")
	procSymGetSearchPath = dbghelp.NewProc("SymGetSearchPath")
)

// hProcess (HANDLE), SearchPathA (LPSTR out), SearchPathLength (DWORD)
r1, _, err := procSymGetSearchPath.Call(
	uintptr(hProcess),
	uintptr(SearchPathA),
	uintptr(SearchPathLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SymGetSearchPath(
  hProcess: THandle;   // HANDLE
  SearchPathA: PAnsiChar;   // LPSTR out
  SearchPathLength: DWORD   // DWORD
): BOOL; stdcall;
  external 'dbghelp.dll' name 'SymGetSearchPath';

result := DllCall("dbghelp\SymGetSearchPath"
    , "Ptr", hProcess   ; HANDLE
    , "Ptr", SearchPathA   ; LPSTR out
    , "UInt", SearchPathLength   ; DWORD
    , "Int")   ; return: BOOL

●SymGetSearchPath(hProcess, SearchPathA, SearchPathLength) = DLL("dbghelp.dll", "bool SymGetSearchPath(void*, char*, dword)")
# 呼び出し: SymGetSearchPath(hProcess, SearchPathA, SearchPathLength)
# hProcess : HANDLE -> "void*"
# SearchPathA : LPSTR out -> "char*"
# SearchPathLength : 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)。

const std = @import("std");

extern "dbghelp" fn SymGetSearchPath(
    hProcess: ?*anyopaque, // HANDLE
    SearchPathA: [*c]u8, // LPSTR out
    SearchPathLength: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc SymGetSearchPath(
    hProcess: pointer,  # HANDLE
    SearchPathA: ptr char,  # LPSTR out
    SearchPathLength: uint32  # DWORD
): int32 {.importc: "SymGetSearchPath", stdcall, dynlib: "dbghelp.dll".}

pragma(lib, "dbghelp");
extern(Windows)
int SymGetSearchPath(
    void* hProcess,   // HANDLE
    char* SearchPathA,   // LPSTR out
    uint SearchPathLength   // DWORD
);

ccall((:SymGetSearchPath, "dbghelp.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{UInt8}, UInt32),
      hProcess, SearchPathA, SearchPathLength)
# hProcess : HANDLE -> Ptr{Cvoid}
# SearchPathA : LPSTR out -> Ptr{UInt8}
# SearchPathLength : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t SymGetSearchPath(
    void* hProcess,
    char* SearchPathA,
    uint32_t SearchPathLength);
]]
local dbghelp = ffi.load("dbghelp")
-- dbghelp.SymGetSearchPath(hProcess, SearchPathA, SearchPathLength)
-- hProcess : HANDLE
-- SearchPathA : LPSTR out
-- SearchPathLength : DWORD
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('dbghelp.dll');
const SymGetSearchPath = lib.func('__stdcall', 'SymGetSearchPath', 'int32_t', ['void *', 'char *', 'uint32_t']);
// SymGetSearchPath(hProcess, SearchPathA, SearchPathLength)
// hProcess : HANDLE -> 'void *'
// SearchPathA : LPSTR out -> 'char *'
// SearchPathLength : DWORD -> 'uint32_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("dbghelp.dll", {
  SymGetSearchPath: { parameters: ["pointer", "buffer", "u32"], result: "i32" },
});
// lib.symbols.SymGetSearchPath(hProcess, SearchPathA, SearchPathLength)
// hProcess : HANDLE -> "pointer"
// SearchPathA : LPSTR out -> "buffer"
// SearchPathLength : DWORD -> "u32"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t SymGetSearchPath(
    void* hProcess,
    char* SearchPathA,
    uint32_t SearchPathLength);
C, "dbghelp.dll");
// $ffi->SymGetSearchPath(hProcess, SearchPathA, SearchPathLength);
// hProcess : HANDLE
// SearchPathA : LPSTR out
// SearchPathLength : DWORD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Dbghelp extends StdCallLibrary {
    Dbghelp INSTANCE = Native.load("dbghelp", Dbghelp.class, W32APIOptions.ASCII_OPTIONS);
    boolean SymGetSearchPath(
        Pointer hProcess,   // HANDLE
        byte[] SearchPathA,   // LPSTR out
        int SearchPathLength   // DWORD
    );
}

@[Link("dbghelp")]
lib Libdbghelp
  fun SymGetSearchPath = SymGetSearchPath(
    hProcess : Void*,   # HANDLE
    SearchPathA : UInt8*,   # LPSTR out
    SearchPathLength : UInt32   # DWORD
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef SymGetSearchPathNative = Int32 Function(Pointer<Void>, Pointer<Utf8>, Uint32);
typedef SymGetSearchPathDart = int Function(Pointer<Void>, Pointer<Utf8>, int);
final SymGetSearchPath = DynamicLibrary.open('dbghelp.dll')
    .lookupFunction<SymGetSearchPathNative, SymGetSearchPathDart>('SymGetSearchPath');
// hProcess : HANDLE -> Pointer<Void>
// SearchPathA : LPSTR out -> Pointer<Utf8>
// SearchPathLength : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SymGetSearchPath(
  hProcess: THandle;   // HANDLE
  SearchPathA: PAnsiChar;   // LPSTR out
  SearchPathLength: DWORD   // DWORD
): BOOL; stdcall;
  external 'dbghelp.dll' name 'SymGetSearchPath';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SymGetSearchPath"
  c_SymGetSearchPath :: Ptr () -> CString -> Word32 -> IO CInt
-- hProcess : HANDLE -> Ptr ()
-- SearchPathA : LPSTR out -> CString
-- SearchPathLength : DWORD -> Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let symgetsearchpath =
  foreign "SymGetSearchPath"
    ((ptr void) @-> string @-> uint32_t @-> returning int32_t)
(* hProcess : HANDLE -> (ptr void) *)
(* SearchPathA : LPSTR out -> string *)
(* SearchPathLength : DWORD -> uint32_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library dbghelp (t "dbghelp.dll"))
(cffi:use-foreign-library dbghelp)

(cffi:defcfun ("SymGetSearchPath" sym-get-search-path :convention :stdcall) :int32
  (h-process :pointer)   ; HANDLE
  (search-path-a :pointer)   ; LPSTR out
  (search-path-length :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SymGetSearchPath = Win32::API::More->new('dbghelp',
    'BOOL SymGetSearchPath(HANDLE hProcess, LPSTR SearchPathA, DWORD SearchPathLength)');
# my $ret = $SymGetSearchPath->Call($hProcess, $SearchPathA, $SearchPathLength);
# hProcess : HANDLE -> HANDLE
# SearchPathA : LPSTR out -> LPSTR
# SearchPathLength : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。