ucol_getContractionsAndExpansions

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

void ucol_getContractionsAndExpansions(
    const UCollator* coll,
    USet* contractions,
    USet* expansions,
    CHAR addPrefixes,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub ucol_getContractionsAndExpansions(
    ByRef coll As IntPtr,   ' UCollator*
    ByRef contractions As IntPtr,   ' USet* in/out
    ByRef expansions As IntPtr,   ' USet* in/out
    addPrefixes As SByte,   ' CHAR
    ByRef status As Integer   ' UErrorCode* in/out
)
End Sub

' coll : UCollator*
' contractions : USet* in/out
' expansions : USet* in/out
' addPrefixes : CHAR
' status : UErrorCode* in/out
Declare PtrSafe Sub ucol_getContractionsAndExpansions Lib "icuin" ( _
    ByRef coll As LongPtr, _
    ByRef contractions As LongPtr, _
    ByRef expansions As LongPtr, _
    ByVal addPrefixes As Byte, _
    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

ucol_getContractionsAndExpansions = ctypes.cdll.icuin.ucol_getContractionsAndExpansions
ucol_getContractionsAndExpansions.restype = None
ucol_getContractionsAndExpansions.argtypes = [
    ctypes.c_void_p,  # coll : UCollator*
    ctypes.c_void_p,  # contractions : USet* in/out
    ctypes.c_void_p,  # expansions : USet* in/out
    ctypes.c_byte,  # addPrefixes : CHAR
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
ucol_getContractionsAndExpansions = Fiddle::Function.new(
  lib['ucol_getContractionsAndExpansions'],
  [
    Fiddle::TYPE_VOIDP,  # coll : UCollator*
    Fiddle::TYPE_VOIDP,  # contractions : USet* in/out
    Fiddle::TYPE_VOIDP,  # expansions : USet* in/out
    Fiddle::TYPE_CHAR,  # addPrefixes : CHAR
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn ucol_getContractionsAndExpansions(
        coll: *const isize,  // UCollator*
        contractions: *mut isize,  // USet* in/out
        expansions: *mut isize,  // USet* in/out
        addPrefixes: i8,  // CHAR
        status: *mut i32  // UErrorCode* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void ucol_getContractionsAndExpansions(ref IntPtr coll, ref IntPtr contractions, ref IntPtr expansions, sbyte addPrefixes, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_ucol_getContractionsAndExpansions' -Namespace Win32 -PassThru
# $api::ucol_getContractionsAndExpansions(coll, contractions, expansions, addPrefixes, status)

#uselib "icuin.dll"
#func global ucol_getContractionsAndExpansions "ucol_getContractionsAndExpansions" sptr, sptr, sptr, sptr, sptr
; ucol_getContractionsAndExpansions coll, contractions, expansions, addPrefixes, status
; coll : UCollator* -> "sptr"
; contractions : USet* in/out -> "sptr"
; expansions : USet* in/out -> "sptr"
; addPrefixes : CHAR -> "sptr"
; status : UErrorCode* in/out -> "sptr"

#uselib "icuin.dll"
#func global ucol_getContractionsAndExpansions "ucol_getContractionsAndExpansions" int, int, int, int, int
; ucol_getContractionsAndExpansions coll, contractions, expansions, addPrefixes, status
; coll : UCollator* -> "int"
; contractions : USet* in/out -> "int"
; expansions : USet* in/out -> "int"
; addPrefixes : CHAR -> "int"
; status : UErrorCode* in/out -> "int"

; void ucol_getContractionsAndExpansions(UCollator* coll, USet* contractions, USet* expansions, CHAR addPrefixes, UErrorCode* status)
#uselib "icuin.dll"
#func global ucol_getContractionsAndExpansions "ucol_getContractionsAndExpansions" int, int, int, int, int
; ucol_getContractionsAndExpansions coll, contractions, expansions, addPrefixes, status
; coll : UCollator* -> "int"
; contractions : USet* in/out -> "int"
; expansions : USet* in/out -> "int"
; addPrefixes : CHAR -> "int"
; status : UErrorCode* in/out -> "int"

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

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procucol_getContractionsAndExpansions = icuin.NewProc("ucol_getContractionsAndExpansions")
)

// coll (UCollator*), contractions (USet* in/out), expansions (USet* in/out), addPrefixes (CHAR), status (UErrorCode* in/out)
r1, _, err := procucol_getContractionsAndExpansions.Call(
	uintptr(coll),
	uintptr(contractions),
	uintptr(expansions),
	uintptr(addPrefixes),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure ucol_getContractionsAndExpansions(
  coll: Pointer;   // UCollator*
  contractions: Pointer;   // USet* in/out
  expansions: Pointer;   // USet* in/out
  addPrefixes: Shortint;   // CHAR
  status: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuin.dll' name 'ucol_getContractionsAndExpansions';

result := DllCall("icuin\ucol_getContractionsAndExpansions"
    , "Ptr", coll   ; UCollator*
    , "Ptr", contractions   ; USet* in/out
    , "Ptr", expansions   ; USet* in/out
    , "Char", addPrefixes   ; CHAR
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●ucol_getContractionsAndExpansions(coll, contractions, expansions, addPrefixes, status) = DLL("icuin.dll", "int ucol_getContractionsAndExpansions(void*, void*, void*, char, void*)")
# 呼び出し: ucol_getContractionsAndExpansions(coll, contractions, expansions, addPrefixes, status)
# coll : UCollator* -> "void*"
# contractions : USet* in/out -> "void*"
# expansions : USet* in/out -> "void*"
# addPrefixes : CHAR -> "char"
# 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。