D3DWriteBlobToFile

// D3DCOMPILER_47.dll
#include <windows.h>

HRESULT D3DWriteBlobToFile(
    ID3DBlob* pBlob,
    LPCWSTR pFileName,
    BOOL bOverwrite
);

<DllImport("D3DCOMPILER_47.dll", ExactSpelling:=True)>
Public Shared Function D3DWriteBlobToFile(
    pBlob As IntPtr,   ' ID3DBlob*
    <MarshalAs(UnmanagedType.LPWStr)> pFileName As String,   ' LPCWSTR
    bOverwrite As Boolean   ' BOOL
) As Integer
End Function

' pBlob : ID3DBlob*
' pFileName : LPCWSTR
' bOverwrite : BOOL
Declare PtrSafe Function D3DWriteBlobToFile Lib "d3dcompiler_47" ( _
    ByVal pBlob As LongPtr, _
    ByVal pFileName As LongPtr, _
    ByVal bOverwrite 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

D3DWriteBlobToFile = ctypes.windll.d3dcompiler_47.D3DWriteBlobToFile
D3DWriteBlobToFile.restype = ctypes.c_int
D3DWriteBlobToFile.argtypes = [
    ctypes.c_void_p,  # pBlob : ID3DBlob*
    wintypes.LPCWSTR,  # pFileName : LPCWSTR
    wintypes.BOOL,  # bOverwrite : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('D3DCOMPILER_47.dll')
D3DWriteBlobToFile = Fiddle::Function.new(
  lib['D3DWriteBlobToFile'],
  [
    Fiddle::TYPE_VOIDP,  # pBlob : ID3DBlob*
    Fiddle::TYPE_VOIDP,  # pFileName : LPCWSTR
    Fiddle::TYPE_INT,  # bOverwrite : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "d3dcompiler_47")]
extern "system" {
    fn D3DWriteBlobToFile(
        pBlob: *mut core::ffi::c_void,  // ID3DBlob*
        pFileName: *const u16,  // LPCWSTR
        bOverwrite: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("D3DCOMPILER_47.dll")]
public static extern int D3DWriteBlobToFile(IntPtr pBlob, [MarshalAs(UnmanagedType.LPWStr)] string pFileName, bool bOverwrite);
"@
$api = Add-Type -MemberDefinition $sig -Name 'D3DCOMPILER_47_D3DWriteBlobToFile' -Namespace Win32 -PassThru
# $api::D3DWriteBlobToFile(pBlob, pFileName, bOverwrite)

#uselib "D3DCOMPILER_47.dll"
#func global D3DWriteBlobToFile "D3DWriteBlobToFile" sptr, sptr, sptr
; D3DWriteBlobToFile pBlob, pFileName, bOverwrite   ; 戻り値は stat
; pBlob : ID3DBlob* -> "sptr"
; pFileName : LPCWSTR -> "sptr"
; bOverwrite : BOOL -> "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 "D3DCOMPILER_47.dll"
#cfunc global D3DWriteBlobToFile "D3DWriteBlobToFile" sptr, wstr, int
; res = D3DWriteBlobToFile(pBlob, pFileName, bOverwrite)
; pBlob : ID3DBlob* -> "sptr"
; pFileName : LPCWSTR -> "wstr"
; bOverwrite : BOOL -> "int"

; HRESULT D3DWriteBlobToFile(ID3DBlob* pBlob, LPCWSTR pFileName, BOOL bOverwrite)
#uselib "D3DCOMPILER_47.dll"
#cfunc global D3DWriteBlobToFile "D3DWriteBlobToFile" intptr, wstr, int
; res = D3DWriteBlobToFile(pBlob, pFileName, bOverwrite)
; pBlob : ID3DBlob* -> "intptr"
; pFileName : LPCWSTR -> "wstr"
; bOverwrite : BOOL -> "int"

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

var (
	d3dcompiler_47 = windows.NewLazySystemDLL("D3DCOMPILER_47.dll")
	procD3DWriteBlobToFile = d3dcompiler_47.NewProc("D3DWriteBlobToFile")
)

// pBlob (ID3DBlob*), pFileName (LPCWSTR), bOverwrite (BOOL)
r1, _, err := procD3DWriteBlobToFile.Call(
	uintptr(pBlob),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pFileName))),
	uintptr(bOverwrite),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function D3DWriteBlobToFile(
  pBlob: Pointer;   // ID3DBlob*
  pFileName: PWideChar;   // LPCWSTR
  bOverwrite: BOOL   // BOOL
): Integer; stdcall;
  external 'D3DCOMPILER_47.dll' name 'D3DWriteBlobToFile';

result := DllCall("D3DCOMPILER_47\D3DWriteBlobToFile"
    , "Ptr", pBlob   ; ID3DBlob*
    , "WStr", pFileName   ; LPCWSTR
    , "Int", bOverwrite   ; BOOL
    , "Int")   ; return: HRESULT

●D3DWriteBlobToFile(pBlob, pFileName, bOverwrite) = DLL("D3DCOMPILER_47.dll", "int D3DWriteBlobToFile(void*, char*, bool)")
# 呼び出し: D3DWriteBlobToFile(pBlob, pFileName, bOverwrite)
# pBlob : ID3DBlob* -> "void*"
# pFileName : LPCWSTR -> "char*"
# bOverwrite : BOOL -> "bool"
# 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)。