ucasemap_setLocale

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

void ucasemap_setLocale(
    UCaseMap* csm,
    LPCSTR locale,
    UErrorCode* pErrorCode
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub ucasemap_setLocale(
    ByRef csm As IntPtr,   ' UCaseMap* in/out
    <MarshalAs(UnmanagedType.LPStr)> locale As String,   ' LPCSTR
    ByRef pErrorCode As Integer   ' UErrorCode* in/out
)
End Sub

' csm : UCaseMap* in/out
' locale : LPCSTR
' pErrorCode : UErrorCode* in/out
Declare PtrSafe Sub ucasemap_setLocale Lib "icuuc" ( _
    ByRef csm As LongPtr, _
    ByVal locale As String, _
    ByRef pErrorCode As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ucasemap_setLocale = ctypes.cdll.icuuc.ucasemap_setLocale
ucasemap_setLocale.restype = None
ucasemap_setLocale.argtypes = [
    ctypes.c_void_p,  # csm : UCaseMap* in/out
    wintypes.LPCSTR,  # locale : LPCSTR
    ctypes.c_void_p,  # pErrorCode : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ucasemap_setLocale = Fiddle::Function.new(
  lib['ucasemap_setLocale'],
  [
    Fiddle::TYPE_VOIDP,  # csm : UCaseMap* in/out
    Fiddle::TYPE_VOIDP,  # locale : LPCSTR
    Fiddle::TYPE_VOIDP,  # pErrorCode : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ucasemap_setLocale(
        csm: *mut isize,  // UCaseMap* in/out
        locale: *const u8,  // LPCSTR
        pErrorCode: *mut i32  // UErrorCode* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void ucasemap_setLocale(ref IntPtr csm, [MarshalAs(UnmanagedType.LPStr)] string locale, ref int pErrorCode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ucasemap_setLocale' -Namespace Win32 -PassThru
# $api::ucasemap_setLocale(csm, locale, pErrorCode)

#uselib "icuuc.dll"
#func global ucasemap_setLocale "ucasemap_setLocale" sptr, sptr, sptr
; ucasemap_setLocale csm, locale, pErrorCode
; csm : UCaseMap* in/out -> "sptr"
; locale : LPCSTR -> "sptr"
; pErrorCode : UErrorCode* in/out -> "sptr"

#uselib "icuuc.dll"
#func global ucasemap_setLocale "ucasemap_setLocale" int, str, int
; ucasemap_setLocale csm, locale, pErrorCode
; csm : UCaseMap* in/out -> "int"
; locale : LPCSTR -> "str"
; pErrorCode : UErrorCode* in/out -> "int"

; void ucasemap_setLocale(UCaseMap* csm, LPCSTR locale, UErrorCode* pErrorCode)
#uselib "icuuc.dll"
#func global ucasemap_setLocale "ucasemap_setLocale" int, str, int
; ucasemap_setLocale csm, locale, pErrorCode
; csm : UCaseMap* in/out -> "int"
; locale : LPCSTR -> "str"
; pErrorCode : UErrorCode* in/out -> "int"

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procucasemap_setLocale = icuuc.NewProc("ucasemap_setLocale")
)

// csm (UCaseMap* in/out), locale (LPCSTR), pErrorCode (UErrorCode* in/out)
r1, _, err := procucasemap_setLocale.Call(
	uintptr(csm),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(locale))),
	uintptr(pErrorCode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure ucasemap_setLocale(
  csm: Pointer;   // UCaseMap* in/out
  locale: PAnsiChar;   // LPCSTR
  pErrorCode: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuuc.dll' name 'ucasemap_setLocale';

result := DllCall("icuuc\ucasemap_setLocale"
    , "Ptr", csm   ; UCaseMap* in/out
    , "AStr", locale   ; LPCSTR
    , "Ptr", pErrorCode   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●ucasemap_setLocale(csm, locale, pErrorCode) = DLL("icuuc.dll", "int ucasemap_setLocale(void*, char*, void*)")
# 呼び出し: ucasemap_setLocale(csm, locale, pErrorCode)
# csm : UCaseMap* in/out -> "void*"
# locale : LPCSTR -> "char*"
# pErrorCode : UErrorCode* 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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。