udtitvfmt_setContext

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

void udtitvfmt_setContext(
    UDateIntervalFormat* formatter,
    UDisplayContext value,
    UErrorCode* status
);

<DllImport("icu.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub udtitvfmt_setContext(
    ByRef formatter As IntPtr,   ' UDateIntervalFormat* in/out
    value As Integer,   ' UDisplayContext
    ByRef status As Integer   ' UErrorCode* in/out
)
End Sub

' formatter : UDateIntervalFormat* in/out
' value : UDisplayContext
' status : UErrorCode* in/out
Declare PtrSafe Sub udtitvfmt_setContext Lib "icu" ( _
    ByRef formatter As LongPtr, _
    ByVal value As Long, _
    ByRef status As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

udtitvfmt_setContext = ctypes.cdll.icu.udtitvfmt_setContext
udtitvfmt_setContext.restype = None
udtitvfmt_setContext.argtypes = [
    ctypes.c_void_p,  # formatter : UDateIntervalFormat* in/out
    ctypes.c_int,  # value : UDisplayContext
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icu.dll')
udtitvfmt_setContext = Fiddle::Function.new(
  lib['udtitvfmt_setContext'],
  [
    Fiddle::TYPE_VOIDP,  # formatter : UDateIntervalFormat* in/out
    Fiddle::TYPE_INT,  # value : UDisplayContext
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icu")]
extern "C" {
    fn udtitvfmt_setContext(
        formatter: *mut isize,  // UDateIntervalFormat* in/out
        value: i32,  // UDisplayContext
        status: *mut i32  // UErrorCode* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icu.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void udtitvfmt_setContext(ref IntPtr formatter, int value, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icu_udtitvfmt_setContext' -Namespace Win32 -PassThru
# $api::udtitvfmt_setContext(formatter, value, status)

#uselib "icu.dll"
#func global udtitvfmt_setContext "udtitvfmt_setContext" sptr, sptr, sptr
; udtitvfmt_setContext formatter, value, status
; formatter : UDateIntervalFormat* in/out -> "sptr"
; value : UDisplayContext -> "sptr"
; status : UErrorCode* in/out -> "sptr"

#uselib "icu.dll"
#func global udtitvfmt_setContext "udtitvfmt_setContext" int, int, int
; udtitvfmt_setContext formatter, value, status
; formatter : UDateIntervalFormat* in/out -> "int"
; value : UDisplayContext -> "int"
; status : UErrorCode* in/out -> "int"

; void udtitvfmt_setContext(UDateIntervalFormat* formatter, UDisplayContext value, UErrorCode* status)
#uselib "icu.dll"
#func global udtitvfmt_setContext "udtitvfmt_setContext" int, int, int
; udtitvfmt_setContext formatter, value, status
; formatter : UDateIntervalFormat* in/out -> "int"
; value : UDisplayContext -> "int"
; status : UErrorCode* in/out -> "int"

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

var (
	icu = windows.NewLazySystemDLL("icu.dll")
	procudtitvfmt_setContext = icu.NewProc("udtitvfmt_setContext")
)

// formatter (UDateIntervalFormat* in/out), value (UDisplayContext), status (UErrorCode* in/out)
r1, _, err := procudtitvfmt_setContext.Call(
	uintptr(formatter),
	uintptr(value),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure udtitvfmt_setContext(
  formatter: Pointer;   // UDateIntervalFormat* in/out
  value: Integer;   // UDisplayContext
  status: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icu.dll' name 'udtitvfmt_setContext';

result := DllCall("icu\udtitvfmt_setContext"
    , "Ptr", formatter   ; UDateIntervalFormat* in/out
    , "Int", value   ; UDisplayContext
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●udtitvfmt_setContext(formatter, value, status) = DLL("icu.dll", "int udtitvfmt_setContext(void*, int, void*)")
# 呼び出し: udtitvfmt_setContext(formatter, value, status)
# formatter : UDateIntervalFormat* in/out -> "void*"
# value : UDisplayContext -> "int"
# status : 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。