ufmtval_nextPosition

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

CHAR ufmtval_nextPosition(
    const UFormattedValue* ufmtval,
    UConstrainedFieldPosition* ucfpos,
    UErrorCode* ec
);

<DllImport("icu.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ufmtval_nextPosition(
    ByRef ufmtval As IntPtr,   ' UFormattedValue*
    ByRef ucfpos As IntPtr,   ' UConstrainedFieldPosition* in/out
    ByRef ec As Integer   ' UErrorCode* in/out
) As SByte
End Function

' ufmtval : UFormattedValue*
' ucfpos : UConstrainedFieldPosition* in/out
' ec : UErrorCode* in/out
Declare PtrSafe Function ufmtval_nextPosition Lib "icu" ( _
    ByRef ufmtval As LongPtr, _
    ByRef ucfpos As LongPtr, _
    ByRef ec As Long) As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ufmtval_nextPosition = ctypes.cdll.icu.ufmtval_nextPosition
ufmtval_nextPosition.restype = ctypes.c_byte
ufmtval_nextPosition.argtypes = [
    ctypes.c_void_p,  # ufmtval : UFormattedValue*
    ctypes.c_void_p,  # ucfpos : UConstrainedFieldPosition* in/out
    ctypes.c_void_p,  # ec : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icu.dll')
ufmtval_nextPosition = Fiddle::Function.new(
  lib['ufmtval_nextPosition'],
  [
    Fiddle::TYPE_VOIDP,  # ufmtval : UFormattedValue*
    Fiddle::TYPE_VOIDP,  # ucfpos : UConstrainedFieldPosition* in/out
    Fiddle::TYPE_VOIDP,  # ec : UErrorCode* in/out
  ],
  Fiddle::TYPE_CHAR, Fiddle::Function::CDECL)

#[link(name = "icu")]
extern "C" {
    fn ufmtval_nextPosition(
        ufmtval: *const isize,  // UFormattedValue*
        ucfpos: *mut isize,  // UConstrainedFieldPosition* in/out
        ec: *mut i32  // UErrorCode* in/out
    ) -> i8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icu.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern sbyte ufmtval_nextPosition(ref IntPtr ufmtval, ref IntPtr ucfpos, ref int ec);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icu_ufmtval_nextPosition' -Namespace Win32 -PassThru
# $api::ufmtval_nextPosition(ufmtval, ucfpos, ec)

#uselib "icu.dll"
#func global ufmtval_nextPosition "ufmtval_nextPosition" sptr, sptr, sptr
; ufmtval_nextPosition ufmtval, ucfpos, ec   ; 戻り値は stat
; ufmtval : UFormattedValue* -> "sptr"
; ucfpos : UConstrainedFieldPosition* in/out -> "sptr"
; ec : UErrorCode* in/out -> "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 "icu.dll"
#cfunc global ufmtval_nextPosition "ufmtval_nextPosition" int, int, int
; res = ufmtval_nextPosition(ufmtval, ucfpos, ec)
; ufmtval : UFormattedValue* -> "int"
; ucfpos : UConstrainedFieldPosition* in/out -> "int"
; ec : UErrorCode* in/out -> "int"

; CHAR ufmtval_nextPosition(UFormattedValue* ufmtval, UConstrainedFieldPosition* ucfpos, UErrorCode* ec)
#uselib "icu.dll"
#cfunc global ufmtval_nextPosition "ufmtval_nextPosition" int, int, int
; res = ufmtval_nextPosition(ufmtval, ucfpos, ec)
; ufmtval : UFormattedValue* -> "int"
; ucfpos : UConstrainedFieldPosition* in/out -> "int"
; ec : UErrorCode* in/out -> "int"

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

var (
	icu = windows.NewLazySystemDLL("icu.dll")
	procufmtval_nextPosition = icu.NewProc("ufmtval_nextPosition")
)

// ufmtval (UFormattedValue*), ucfpos (UConstrainedFieldPosition* in/out), ec (UErrorCode* in/out)
r1, _, err := procufmtval_nextPosition.Call(
	uintptr(ufmtval),
	uintptr(ucfpos),
	uintptr(ec),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CHAR

function ufmtval_nextPosition(
  ufmtval: Pointer;   // UFormattedValue*
  ucfpos: Pointer;   // UConstrainedFieldPosition* in/out
  ec: Pointer   // UErrorCode* in/out
): Shortint; cdecl;
  external 'icu.dll' name 'ufmtval_nextPosition';

result := DllCall("icu\ufmtval_nextPosition"
    , "Ptr", ufmtval   ; UFormattedValue*
    , "Ptr", ucfpos   ; UConstrainedFieldPosition* in/out
    , "Ptr", ec   ; UErrorCode* in/out
    , "Cdecl Char")   ; return: CHAR

●ufmtval_nextPosition(ufmtval, ucfpos, ec) = DLL("icu.dll", "char ufmtval_nextPosition(void*, void*, void*)")
# 呼び出し: ufmtval_nextPosition(ufmtval, ucfpos, ec)
# ufmtval : UFormattedValue* -> "void*"
# ucfpos : UConstrainedFieldPosition* in/out -> "void*"
# ec : 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。