usearch_setPattern

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

void usearch_setPattern(
    UStringSearch* strsrch,
    const WORD* pattern,
    INT patternlength,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub usearch_setPattern(
    ByRef strsrch As IntPtr,   ' UStringSearch* in/out
    ByRef pattern As UShort,   ' WORD*
    patternlength As Integer,   ' INT
    ByRef status As Integer   ' UErrorCode* in/out
)
End Sub

' strsrch : UStringSearch* in/out
' pattern : WORD*
' patternlength : INT
' status : UErrorCode* in/out
Declare PtrSafe Sub usearch_setPattern Lib "icuin" ( _
    ByRef strsrch As LongPtr, _
    ByRef pattern As Integer, _
    ByVal patternlength 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

usearch_setPattern = ctypes.cdll.icuin.usearch_setPattern
usearch_setPattern.restype = None
usearch_setPattern.argtypes = [
    ctypes.c_void_p,  # strsrch : UStringSearch* in/out
    ctypes.POINTER(ctypes.c_ushort),  # pattern : WORD*
    ctypes.c_int,  # patternlength : INT
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
usearch_setPattern = Fiddle::Function.new(
  lib['usearch_setPattern'],
  [
    Fiddle::TYPE_VOIDP,  # strsrch : UStringSearch* in/out
    Fiddle::TYPE_VOIDP,  # pattern : WORD*
    Fiddle::TYPE_INT,  # patternlength : INT
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn usearch_setPattern(
        strsrch: *mut isize,  // UStringSearch* in/out
        pattern: *const u16,  // WORD*
        patternlength: i32,  // INT
        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 usearch_setPattern(ref IntPtr strsrch, ref ushort pattern, int patternlength, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_usearch_setPattern' -Namespace Win32 -PassThru
# $api::usearch_setPattern(strsrch, pattern, patternlength, status)

#uselib "icuin.dll"
#func global usearch_setPattern "usearch_setPattern" sptr, sptr, sptr, sptr
; usearch_setPattern strsrch, varptr(pattern), patternlength, status
; strsrch : UStringSearch* in/out -> "sptr"
; pattern : WORD* -> "sptr"
; patternlength : INT -> "sptr"
; status : UErrorCode* in/out -> "sptr"

#uselib "icuin.dll"
#func global usearch_setPattern "usearch_setPattern" int, var, int, int
; usearch_setPattern strsrch, pattern, patternlength, status
; strsrch : UStringSearch* in/out -> "int"
; pattern : WORD* -> "var"
; patternlength : INT -> "int"
; status : UErrorCode* in/out -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; void usearch_setPattern(UStringSearch* strsrch, WORD* pattern, INT patternlength, UErrorCode* status)
#uselib "icuin.dll"
#func global usearch_setPattern "usearch_setPattern" int, var, int, int
; usearch_setPattern strsrch, pattern, patternlength, status
; strsrch : UStringSearch* in/out -> "int"
; pattern : WORD* -> "var"
; patternlength : INT -> "int"
; status : UErrorCode* in/out -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procusearch_setPattern = icuin.NewProc("usearch_setPattern")
)

// strsrch (UStringSearch* in/out), pattern (WORD*), patternlength (INT), status (UErrorCode* in/out)
r1, _, err := procusearch_setPattern.Call(
	uintptr(strsrch),
	uintptr(pattern),
	uintptr(patternlength),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure usearch_setPattern(
  strsrch: Pointer;   // UStringSearch* in/out
  pattern: Pointer;   // WORD*
  patternlength: Integer;   // INT
  status: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuin.dll' name 'usearch_setPattern';

result := DllCall("icuin\usearch_setPattern"
    , "Ptr", strsrch   ; UStringSearch* in/out
    , "Ptr", pattern   ; WORD*
    , "Int", patternlength   ; INT
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●usearch_setPattern(strsrch, pattern, patternlength, status) = DLL("icuin.dll", "int usearch_setPattern(void*, void*, int, void*)")
# 呼び出し: usearch_setPattern(strsrch, pattern, patternlength, status)
# strsrch : UStringSearch* in/out -> "void*"
# pattern : WORD* -> "void*"
# patternlength : INT -> "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。