ulocdata_setNoSubstitute

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

void ulocdata_setNoSubstitute(
    ULocaleData* uld,
    CHAR setting
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub ulocdata_setNoSubstitute(
    ByRef uld As IntPtr,   ' ULocaleData* in/out
    setting As SByte   ' CHAR
)
End Sub

' uld : ULocaleData* in/out
' setting : CHAR
Declare PtrSafe Sub ulocdata_setNoSubstitute Lib "icuin" ( _
    ByRef uld As LongPtr, _
    ByVal setting As Byte)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ulocdata_setNoSubstitute = ctypes.cdll.icuin.ulocdata_setNoSubstitute
ulocdata_setNoSubstitute.restype = None
ulocdata_setNoSubstitute.argtypes = [
    ctypes.c_void_p,  # uld : ULocaleData* in/out
    ctypes.c_byte,  # setting : CHAR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
ulocdata_setNoSubstitute = Fiddle::Function.new(
  lib['ulocdata_setNoSubstitute'],
  [
    Fiddle::TYPE_VOIDP,  # uld : ULocaleData* in/out
    Fiddle::TYPE_CHAR,  # setting : CHAR
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn ulocdata_setNoSubstitute(
        uld: *mut isize,  // ULocaleData* in/out
        setting: i8  // CHAR
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void ulocdata_setNoSubstitute(ref IntPtr uld, sbyte setting);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_ulocdata_setNoSubstitute' -Namespace Win32 -PassThru
# $api::ulocdata_setNoSubstitute(uld, setting)

#uselib "icuin.dll"
#func global ulocdata_setNoSubstitute "ulocdata_setNoSubstitute" sptr, sptr
; ulocdata_setNoSubstitute uld, setting
; uld : ULocaleData* in/out -> "sptr"
; setting : CHAR -> "sptr"

#uselib "icuin.dll"
#func global ulocdata_setNoSubstitute "ulocdata_setNoSubstitute" int, int
; ulocdata_setNoSubstitute uld, setting
; uld : ULocaleData* in/out -> "int"
; setting : CHAR -> "int"

; void ulocdata_setNoSubstitute(ULocaleData* uld, CHAR setting)
#uselib "icuin.dll"
#func global ulocdata_setNoSubstitute "ulocdata_setNoSubstitute" int, int
; ulocdata_setNoSubstitute uld, setting
; uld : ULocaleData* in/out -> "int"
; setting : CHAR -> "int"

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

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	proculocdata_setNoSubstitute = icuin.NewProc("ulocdata_setNoSubstitute")
)

// uld (ULocaleData* in/out), setting (CHAR)
r1, _, err := proculocdata_setNoSubstitute.Call(
	uintptr(uld),
	uintptr(setting),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure ulocdata_setNoSubstitute(
  uld: Pointer;   // ULocaleData* in/out
  setting: Shortint   // CHAR
); cdecl;
  external 'icuin.dll' name 'ulocdata_setNoSubstitute';

result := DllCall("icuin\ulocdata_setNoSubstitute"
    , "Ptr", uld   ; ULocaleData* in/out
    , "Char", setting   ; CHAR
    , "Cdecl Int")   ; return: void

●ulocdata_setNoSubstitute(uld, setting) = DLL("icuin.dll", "int ulocdata_setNoSubstitute(void*, char)")
# 呼び出し: ulocdata_setNoSubstitute(uld, setting)
# uld : ULocaleData* in/out -> "void*"
# setting : CHAR -> "char"
# 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。