VarCyCmpR8

// OLEAUT32.dll
#include <windows.h>

VARCMP VarCyCmpR8(
    CY cyLeft,
    DOUBLE dblRight
);

<DllImport("OLEAUT32.dll", ExactSpelling:=True)>
Public Shared Function VarCyCmpR8(
    cyLeft As CY,   ' CY
    dblRight As Double   ' DOUBLE
) As UInteger
End Function

' cyLeft : CY
' dblRight : DOUBLE
Declare PtrSafe Function VarCyCmpR8 Lib "oleaut32" ( _
    ByVal cyLeft As LongPtr, _
    ByVal dblRight As Double) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

VarCyCmpR8 = ctypes.windll.oleaut32.VarCyCmpR8
VarCyCmpR8.restype = wintypes.DWORD
VarCyCmpR8.argtypes = [
    CY,  # cyLeft : CY
    ctypes.c_double,  # dblRight : DOUBLE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLEAUT32.dll')
VarCyCmpR8 = Fiddle::Function.new(
  lib['VarCyCmpR8'],
  [
    Fiddle::TYPE_VOIDP,  # cyLeft : CY
    Fiddle::TYPE_DOUBLE,  # dblRight : DOUBLE
  ],
  -Fiddle::TYPE_INT)

#[link(name = "oleaut32")]
extern "system" {
    fn VarCyCmpR8(
        cyLeft: CY,  // CY
        dblRight: f64  // DOUBLE
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLEAUT32.dll")]
public static extern uint VarCyCmpR8(CY cyLeft, double dblRight);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLEAUT32_VarCyCmpR8' -Namespace Win32 -PassThru
# $api::VarCyCmpR8(cyLeft, dblRight)

#uselib "OLEAUT32.dll"
#func global VarCyCmpR8 "VarCyCmpR8" sptr, double
; VarCyCmpR8 cyLeft, dblRight   ; 戻り値は stat
; cyLeft : CY -> "sptr"
; dblRight : DOUBLE -> "double"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 "OLEAUT32.dll"
#cfunc global VarCyCmpR8 "VarCyCmpR8" int, double
; res = VarCyCmpR8(cyLeft, dblRight)
; cyLeft : CY -> "int"
; dblRight : DOUBLE -> "double"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。

; VARCMP VarCyCmpR8(CY cyLeft, DOUBLE dblRight)
#uselib "OLEAUT32.dll"
#cfunc global VarCyCmpR8 "VarCyCmpR8" int, double
; res = VarCyCmpR8(cyLeft, dblRight)
; cyLeft : CY -> "int"
; dblRight : DOUBLE -> "double"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。

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

var (
	oleaut32 = windows.NewLazySystemDLL("OLEAUT32.dll")
	procVarCyCmpR8 = oleaut32.NewProc("VarCyCmpR8")
)

// cyLeft (CY), dblRight (DOUBLE)
r1, _, err := procVarCyCmpR8.Call(
	uintptr(cyLeft),
	uintptr(math.Float64bits(dblRight)),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // VARCMP
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。

function VarCyCmpR8(
  cyLeft: CY;   // CY
  dblRight: Double   // DOUBLE
): DWORD; stdcall;
  external 'OLEAUT32.dll' name 'VarCyCmpR8';

result := DllCall("OLEAUT32\VarCyCmpR8"
    , "Ptr", cyLeft   ; CY
    , "Double", dblRight   ; DOUBLE
    , "UInt")   ; return: VARCMP

●VarCyCmpR8(cyLeft, dblRight) = DLL("OLEAUT32.dll", "dword VarCyCmpR8(void*, double)")
# 呼び出し: VarCyCmpR8(cyLeft, dblRight)
# cyLeft : CY -> "void*"
# dblRight : DOUBLE -> "double"
# 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)。