ICLocate

// MSVFW32.dll
#include <windows.h>

HIC ICLocate(
    DWORD fccType,
    DWORD fccHandler,
    BITMAPINFOHEADER* lpbiIn,
    BITMAPINFOHEADER* lpbiOut,   // optional
    WORD wFlags
);

<DllImport("MSVFW32.dll", ExactSpelling:=True)>
Public Shared Function ICLocate(
    fccType As UInteger,   ' DWORD
    fccHandler As UInteger,   ' DWORD
    lpbiIn As IntPtr,   ' BITMAPINFOHEADER*
    lpbiOut As IntPtr,   ' BITMAPINFOHEADER* optional
    wFlags As UShort   ' WORD
) As IntPtr
End Function

' fccType : DWORD
' fccHandler : DWORD
' lpbiIn : BITMAPINFOHEADER*
' lpbiOut : BITMAPINFOHEADER* optional
' wFlags : WORD
Declare PtrSafe Function ICLocate Lib "msvfw32" ( _
    ByVal fccType As Long, _
    ByVal fccHandler As Long, _
    ByVal lpbiIn As LongPtr, _
    ByVal lpbiOut As LongPtr, _
    ByVal wFlags As Integer) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ICLocate = ctypes.windll.msvfw32.ICLocate
ICLocate.restype = ctypes.c_void_p
ICLocate.argtypes = [
    wintypes.DWORD,  # fccType : DWORD
    wintypes.DWORD,  # fccHandler : DWORD
    ctypes.c_void_p,  # lpbiIn : BITMAPINFOHEADER*
    ctypes.c_void_p,  # lpbiOut : BITMAPINFOHEADER* optional
    ctypes.c_ushort,  # wFlags : WORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSVFW32.dll')
ICLocate = Fiddle::Function.new(
  lib['ICLocate'],
  [
    -Fiddle::TYPE_INT,  # fccType : DWORD
    -Fiddle::TYPE_INT,  # fccHandler : DWORD
    Fiddle::TYPE_VOIDP,  # lpbiIn : BITMAPINFOHEADER*
    Fiddle::TYPE_VOIDP,  # lpbiOut : BITMAPINFOHEADER* optional
    -Fiddle::TYPE_SHORT,  # wFlags : WORD
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "msvfw32")]
extern "system" {
    fn ICLocate(
        fccType: u32,  // DWORD
        fccHandler: u32,  // DWORD
        lpbiIn: *mut BITMAPINFOHEADER,  // BITMAPINFOHEADER*
        lpbiOut: *mut BITMAPINFOHEADER,  // BITMAPINFOHEADER* optional
        wFlags: u16  // WORD
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSVFW32.dll")]
public static extern IntPtr ICLocate(uint fccType, uint fccHandler, IntPtr lpbiIn, IntPtr lpbiOut, ushort wFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSVFW32_ICLocate' -Namespace Win32 -PassThru
# $api::ICLocate(fccType, fccHandler, lpbiIn, lpbiOut, wFlags)

#uselib "MSVFW32.dll"
#func global ICLocate "ICLocate" sptr, sptr, sptr, sptr, sptr
; ICLocate fccType, fccHandler, varptr(lpbiIn), varptr(lpbiOut), wFlags   ; 戻り値は stat
; fccType : DWORD -> "sptr"
; fccHandler : DWORD -> "sptr"
; lpbiIn : BITMAPINFOHEADER* -> "sptr"
; lpbiOut : BITMAPINFOHEADER* optional -> "sptr"
; wFlags : WORD -> "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 "MSVFW32.dll"
#cfunc global ICLocate "ICLocate" int, int, var, var, int
; res = ICLocate(fccType, fccHandler, lpbiIn, lpbiOut, wFlags)
; fccType : DWORD -> "int"
; fccHandler : DWORD -> "int"
; lpbiIn : BITMAPINFOHEADER* -> "var"
; lpbiOut : BITMAPINFOHEADER* optional -> "var"
; wFlags : WORD -> "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。

; HIC ICLocate(DWORD fccType, DWORD fccHandler, BITMAPINFOHEADER* lpbiIn, BITMAPINFOHEADER* lpbiOut, WORD wFlags)
#uselib "MSVFW32.dll"
#cfunc global ICLocate "ICLocate" int, int, var, var, int
; res = ICLocate(fccType, fccHandler, lpbiIn, lpbiOut, wFlags)
; fccType : DWORD -> "int"
; fccHandler : DWORD -> "int"
; lpbiIn : BITMAPINFOHEADER* -> "var"
; lpbiOut : BITMAPINFOHEADER* optional -> "var"
; wFlags : WORD -> "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 (
	msvfw32 = windows.NewLazySystemDLL("MSVFW32.dll")
	procICLocate = msvfw32.NewProc("ICLocate")
)

// fccType (DWORD), fccHandler (DWORD), lpbiIn (BITMAPINFOHEADER*), lpbiOut (BITMAPINFOHEADER* optional), wFlags (WORD)
r1, _, err := procICLocate.Call(
	uintptr(fccType),
	uintptr(fccHandler),
	uintptr(lpbiIn),
	uintptr(lpbiOut),
	uintptr(wFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HIC

function ICLocate(
  fccType: DWORD;   // DWORD
  fccHandler: DWORD;   // DWORD
  lpbiIn: Pointer;   // BITMAPINFOHEADER*
  lpbiOut: Pointer;   // BITMAPINFOHEADER* optional
  wFlags: Word   // WORD
): THandle; stdcall;
  external 'MSVFW32.dll' name 'ICLocate';

result := DllCall("MSVFW32\ICLocate"
    , "UInt", fccType   ; DWORD
    , "UInt", fccHandler   ; DWORD
    , "Ptr", lpbiIn   ; BITMAPINFOHEADER*
    , "Ptr", lpbiOut   ; BITMAPINFOHEADER* optional
    , "UShort", wFlags   ; WORD
    , "Ptr")   ; return: HIC

●ICLocate(fccType, fccHandler, lpbiIn, lpbiOut, wFlags) = DLL("MSVFW32.dll", "void* ICLocate(dword, dword, void*, void*, int)")
# 呼び出し: ICLocate(fccType, fccHandler, lpbiIn, lpbiOut, wFlags)
# fccType : DWORD -> "dword"
# fccHandler : DWORD -> "dword"
# lpbiIn : BITMAPINFOHEADER* -> "void*"
# lpbiOut : BITMAPINFOHEADER* optional -> "void*"
# wFlags : WORD -> "int"
# 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)。