u_strcmpCodePointOrder

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

INT u_strcmpCodePointOrder(
    const WORD* s1,
    const WORD* s2
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function u_strcmpCodePointOrder(
    ByRef s1 As UShort,   ' WORD*
    ByRef s2 As UShort   ' WORD*
) As Integer
End Function

' s1 : WORD*
' s2 : WORD*
Declare PtrSafe Function u_strcmpCodePointOrder Lib "icuuc" ( _
    ByRef s1 As Integer, _
    ByRef s2 As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

u_strcmpCodePointOrder = ctypes.cdll.icuuc.u_strcmpCodePointOrder
u_strcmpCodePointOrder.restype = ctypes.c_int
u_strcmpCodePointOrder.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # s1 : WORD*
    ctypes.POINTER(ctypes.c_ushort),  # s2 : WORD*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
u_strcmpCodePointOrder = Fiddle::Function.new(
  lib['u_strcmpCodePointOrder'],
  [
    Fiddle::TYPE_VOIDP,  # s1 : WORD*
    Fiddle::TYPE_VOIDP,  # s2 : WORD*
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn u_strcmpCodePointOrder(
        s1: *const u16,  // WORD*
        s2: *const u16  // WORD*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int u_strcmpCodePointOrder(ref ushort s1, ref ushort s2);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_u_strcmpCodePointOrder' -Namespace Win32 -PassThru
# $api::u_strcmpCodePointOrder(s1, s2)

#uselib "icuuc.dll"
#func global u_strcmpCodePointOrder "u_strcmpCodePointOrder" sptr, sptr
; u_strcmpCodePointOrder varptr(s1), varptr(s2)   ; 戻り値は stat
; s1 : WORD* -> "sptr"
; s2 : 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 "icuuc.dll"
#cfunc global u_strcmpCodePointOrder "u_strcmpCodePointOrder" var, var
; res = u_strcmpCodePointOrder(s1, s2)
; s1 : WORD* -> "var"
; s2 : WORD* -> "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。

; INT u_strcmpCodePointOrder(WORD* s1, WORD* s2)
#uselib "icuuc.dll"
#cfunc global u_strcmpCodePointOrder "u_strcmpCodePointOrder" var, var
; res = u_strcmpCodePointOrder(s1, s2)
; s1 : WORD* -> "var"
; s2 : WORD* -> "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 (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procu_strcmpCodePointOrder = icuuc.NewProc("u_strcmpCodePointOrder")
)

// s1 (WORD*), s2 (WORD*)
r1, _, err := procu_strcmpCodePointOrder.Call(
	uintptr(s1),
	uintptr(s2),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function u_strcmpCodePointOrder(
  s1: Pointer;   // WORD*
  s2: Pointer   // WORD*
): Integer; cdecl;
  external 'icuuc.dll' name 'u_strcmpCodePointOrder';

result := DllCall("icuuc\u_strcmpCodePointOrder"
    , "Ptr", s1   ; WORD*
    , "Ptr", s2   ; WORD*
    , "Cdecl Int")   ; return: INT

●u_strcmpCodePointOrder(s1, s2) = DLL("icuuc.dll", "int u_strcmpCodePointOrder(void*, void*)")
# 呼び出し: u_strcmpCodePointOrder(s1, s2)
# s1 : WORD* -> "void*"
# s2 : WORD* -> "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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。