ICSeqCompressFrame

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

void* ICSeqCompressFrame(
    COMPVARS* pc,
    DWORD uiFlags,   // optional
    void* lpBits,
    BOOL* pfKey,
    INT* plSize   // optional
);

<DllImport("MSVFW32.dll", ExactSpelling:=True)>
Public Shared Function ICSeqCompressFrame(
    pc As IntPtr,   ' COMPVARS*
    uiFlags As UInteger,   ' DWORD optional
    lpBits As IntPtr,   ' void*
    <Out> ByRef pfKey As Integer,   ' BOOL* out
    plSize As IntPtr   ' INT* optional, in/out
) As IntPtr
End Function

' pc : COMPVARS*
' uiFlags : DWORD optional
' lpBits : void*
' pfKey : BOOL* out
' plSize : INT* optional, in/out
Declare PtrSafe Function ICSeqCompressFrame Lib "msvfw32" ( _
    ByVal pc As LongPtr, _
    ByVal uiFlags As Long, _
    ByVal lpBits As LongPtr, _
    ByRef pfKey As Long, _
    ByVal plSize As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ICSeqCompressFrame = ctypes.windll.msvfw32.ICSeqCompressFrame
ICSeqCompressFrame.restype = ctypes.c_void_p
ICSeqCompressFrame.argtypes = [
    ctypes.c_void_p,  # pc : COMPVARS*
    wintypes.DWORD,  # uiFlags : DWORD optional
    ctypes.POINTER(None),  # lpBits : void*
    ctypes.c_void_p,  # pfKey : BOOL* out
    ctypes.POINTER(ctypes.c_int),  # plSize : INT* optional, in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSVFW32.dll')
ICSeqCompressFrame = Fiddle::Function.new(
  lib['ICSeqCompressFrame'],
  [
    Fiddle::TYPE_VOIDP,  # pc : COMPVARS*
    -Fiddle::TYPE_INT,  # uiFlags : DWORD optional
    Fiddle::TYPE_VOIDP,  # lpBits : void*
    Fiddle::TYPE_VOIDP,  # pfKey : BOOL* out
    Fiddle::TYPE_VOIDP,  # plSize : INT* optional, in/out
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "msvfw32")]
extern "system" {
    fn ICSeqCompressFrame(
        pc: *mut COMPVARS,  // COMPVARS*
        uiFlags: u32,  // DWORD optional
        lpBits: *mut (),  // void*
        pfKey: *mut i32,  // BOOL* out
        plSize: *mut i32  // INT* optional, in/out
    ) -> *mut ();
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSVFW32.dll")]
public static extern IntPtr ICSeqCompressFrame(IntPtr pc, uint uiFlags, IntPtr lpBits, out int pfKey, IntPtr plSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSVFW32_ICSeqCompressFrame' -Namespace Win32 -PassThru
# $api::ICSeqCompressFrame(pc, uiFlags, lpBits, pfKey, plSize)

#uselib "MSVFW32.dll"
#func global ICSeqCompressFrame "ICSeqCompressFrame" sptr, sptr, sptr, sptr, sptr
; ICSeqCompressFrame varptr(pc), uiFlags, lpBits, pfKey, varptr(plSize)   ; 戻り値は stat
; pc : COMPVARS* -> "sptr"
; uiFlags : DWORD optional -> "sptr"
; lpBits : void* -> "sptr"
; pfKey : BOOL* out -> "sptr"
; plSize : INT* optional, in/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 "MSVFW32.dll"
#cfunc global ICSeqCompressFrame "ICSeqCompressFrame" var, int, sptr, int, var
; res = ICSeqCompressFrame(pc, uiFlags, lpBits, pfKey, plSize)
; pc : COMPVARS* -> "var"
; uiFlags : DWORD optional -> "int"
; lpBits : void* -> "sptr"
; pfKey : BOOL* out -> "int"
; plSize : INT* optional, in/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。

; void* ICSeqCompressFrame(COMPVARS* pc, DWORD uiFlags, void* lpBits, BOOL* pfKey, INT* plSize)
#uselib "MSVFW32.dll"
#cfunc global ICSeqCompressFrame "ICSeqCompressFrame" var, int, intptr, int, var
; res = ICSeqCompressFrame(pc, uiFlags, lpBits, pfKey, plSize)
; pc : COMPVARS* -> "var"
; uiFlags : DWORD optional -> "int"
; lpBits : void* -> "intptr"
; pfKey : BOOL* out -> "int"
; plSize : INT* optional, in/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 (
	msvfw32 = windows.NewLazySystemDLL("MSVFW32.dll")
	procICSeqCompressFrame = msvfw32.NewProc("ICSeqCompressFrame")
)

// pc (COMPVARS*), uiFlags (DWORD optional), lpBits (void*), pfKey (BOOL* out), plSize (INT* optional, in/out)
r1, _, err := procICSeqCompressFrame.Call(
	uintptr(pc),
	uintptr(uiFlags),
	uintptr(lpBits),
	uintptr(pfKey),
	uintptr(plSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void*

function ICSeqCompressFrame(
  pc: Pointer;   // COMPVARS*
  uiFlags: DWORD;   // DWORD optional
  lpBits: Pointer;   // void*
  pfKey: Pointer;   // BOOL* out
  plSize: Pointer   // INT* optional, in/out
): Pointer; stdcall;
  external 'MSVFW32.dll' name 'ICSeqCompressFrame';

result := DllCall("MSVFW32\ICSeqCompressFrame"
    , "Ptr", pc   ; COMPVARS*
    , "UInt", uiFlags   ; DWORD optional
    , "Ptr", lpBits   ; void*
    , "Ptr", pfKey   ; BOOL* out
    , "Ptr", plSize   ; INT* optional, in/out
    , "Ptr")   ; return: void*

●ICSeqCompressFrame(pc, uiFlags, lpBits, pfKey, plSize) = DLL("MSVFW32.dll", "void* ICSeqCompressFrame(void*, dword, void*, void*, void*)")
# 呼び出し: ICSeqCompressFrame(pc, uiFlags, lpBits, pfKey, plSize)
# pc : COMPVARS* -> "void*"
# uiFlags : DWORD optional -> "dword"
# lpBits : void* -> "void*"
# pfKey : BOOL* out -> "void*"
# plSize : INT* optional, in/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)。