MiniDumpReadDumpStream

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

BOOL MiniDumpReadDumpStream(
    void* BaseOfDump,
    DWORD StreamNumber,
    MINIDUMP_DIRECTORY** Dir,
    void** StreamPointer,
    DWORD* StreamSize   // optional
);

<DllImport("dbghelp.dll", ExactSpelling:=True)>
Public Shared Function MiniDumpReadDumpStream(
    BaseOfDump As IntPtr,   ' void*
    StreamNumber As UInteger,   ' DWORD
    Dir As IntPtr,   ' MINIDUMP_DIRECTORY** out
    StreamPointer As IntPtr,   ' void** out
    StreamSize As IntPtr   ' DWORD* optional, out
) As Boolean
End Function

' BaseOfDump : void*
' StreamNumber : DWORD
' Dir : MINIDUMP_DIRECTORY** out
' StreamPointer : void** out
' StreamSize : DWORD* optional, out
Declare PtrSafe Function MiniDumpReadDumpStream Lib "dbghelp" ( _
    ByVal BaseOfDump As LongPtr, _
    ByVal StreamNumber As Long, _
    ByVal Dir As LongPtr, _
    ByVal StreamPointer As LongPtr, _
    ByVal StreamSize As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

MiniDumpReadDumpStream = ctypes.windll.dbghelp.MiniDumpReadDumpStream
MiniDumpReadDumpStream.restype = wintypes.BOOL
MiniDumpReadDumpStream.argtypes = [
    ctypes.POINTER(None),  # BaseOfDump : void*
    wintypes.DWORD,  # StreamNumber : DWORD
    ctypes.c_void_p,  # Dir : MINIDUMP_DIRECTORY** out
    ctypes.c_void_p,  # StreamPointer : void** out
    ctypes.POINTER(wintypes.DWORD),  # StreamSize : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dbghelp.dll')
MiniDumpReadDumpStream = Fiddle::Function.new(
  lib['MiniDumpReadDumpStream'],
  [
    Fiddle::TYPE_VOIDP,  # BaseOfDump : void*
    -Fiddle::TYPE_INT,  # StreamNumber : DWORD
    Fiddle::TYPE_VOIDP,  # Dir : MINIDUMP_DIRECTORY** out
    Fiddle::TYPE_VOIDP,  # StreamPointer : void** out
    Fiddle::TYPE_VOIDP,  # StreamSize : DWORD* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "dbghelp")]
extern "system" {
    fn MiniDumpReadDumpStream(
        BaseOfDump: *mut (),  // void*
        StreamNumber: u32,  // DWORD
        Dir: *mut *mut MINIDUMP_DIRECTORY,  // MINIDUMP_DIRECTORY** out
        StreamPointer: *mut *mut (),  // void** out
        StreamSize: *mut u32  // DWORD* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dbghelp.dll")]
public static extern bool MiniDumpReadDumpStream(IntPtr BaseOfDump, uint StreamNumber, IntPtr Dir, IntPtr StreamPointer, IntPtr StreamSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dbghelp_MiniDumpReadDumpStream' -Namespace Win32 -PassThru
# $api::MiniDumpReadDumpStream(BaseOfDump, StreamNumber, Dir, StreamPointer, StreamSize)

#uselib "dbghelp.dll"
#func global MiniDumpReadDumpStream "MiniDumpReadDumpStream" sptr, sptr, sptr, sptr, sptr
; MiniDumpReadDumpStream BaseOfDump, StreamNumber, varptr(Dir), StreamPointer, varptr(StreamSize)   ; 戻り値は stat
; BaseOfDump : void* -> "sptr"
; StreamNumber : DWORD -> "sptr"
; Dir : MINIDUMP_DIRECTORY** out -> "sptr"
; StreamPointer : void** out -> "sptr"
; StreamSize : DWORD* optional, 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 "dbghelp.dll"
#cfunc global MiniDumpReadDumpStream "MiniDumpReadDumpStream" sptr, int, var, sptr, var
; res = MiniDumpReadDumpStream(BaseOfDump, StreamNumber, Dir, StreamPointer, StreamSize)
; BaseOfDump : void* -> "sptr"
; StreamNumber : DWORD -> "int"
; Dir : MINIDUMP_DIRECTORY** out -> "var"
; StreamPointer : void** out -> "sptr"
; StreamSize : DWORD* optional, 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。

; BOOL MiniDumpReadDumpStream(void* BaseOfDump, DWORD StreamNumber, MINIDUMP_DIRECTORY** Dir, void** StreamPointer, DWORD* StreamSize)
#uselib "dbghelp.dll"
#cfunc global MiniDumpReadDumpStream "MiniDumpReadDumpStream" intptr, int, var, intptr, var
; res = MiniDumpReadDumpStream(BaseOfDump, StreamNumber, Dir, StreamPointer, StreamSize)
; BaseOfDump : void* -> "intptr"
; StreamNumber : DWORD -> "int"
; Dir : MINIDUMP_DIRECTORY** out -> "var"
; StreamPointer : void** out -> "intptr"
; StreamSize : DWORD* optional, 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 (
	dbghelp = windows.NewLazySystemDLL("dbghelp.dll")
	procMiniDumpReadDumpStream = dbghelp.NewProc("MiniDumpReadDumpStream")
)

// BaseOfDump (void*), StreamNumber (DWORD), Dir (MINIDUMP_DIRECTORY** out), StreamPointer (void** out), StreamSize (DWORD* optional, out)
r1, _, err := procMiniDumpReadDumpStream.Call(
	uintptr(BaseOfDump),
	uintptr(StreamNumber),
	uintptr(Dir),
	uintptr(StreamPointer),
	uintptr(StreamSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function MiniDumpReadDumpStream(
  BaseOfDump: Pointer;   // void*
  StreamNumber: DWORD;   // DWORD
  Dir: Pointer;   // MINIDUMP_DIRECTORY** out
  StreamPointer: Pointer;   // void** out
  StreamSize: Pointer   // DWORD* optional, out
): BOOL; stdcall;
  external 'dbghelp.dll' name 'MiniDumpReadDumpStream';

result := DllCall("dbghelp\MiniDumpReadDumpStream"
    , "Ptr", BaseOfDump   ; void*
    , "UInt", StreamNumber   ; DWORD
    , "Ptr", Dir   ; MINIDUMP_DIRECTORY** out
    , "Ptr", StreamPointer   ; void** out
    , "Ptr", StreamSize   ; DWORD* optional, out
    , "Int")   ; return: BOOL

●MiniDumpReadDumpStream(BaseOfDump, StreamNumber, Dir, StreamPointer, StreamSize) = DLL("dbghelp.dll", "bool MiniDumpReadDumpStream(void*, dword, void*, void*, void*)")
# 呼び出し: MiniDumpReadDumpStream(BaseOfDump, StreamNumber, Dir, StreamPointer, StreamSize)
# BaseOfDump : void* -> "void*"
# StreamNumber : DWORD -> "dword"
# Dir : MINIDUMP_DIRECTORY** out -> "void*"
# StreamPointer : void** out -> "void*"
# StreamSize : DWORD* optional, 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)。