uset_removeAllStrings

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

void uset_removeAllStrings(
    USet* set
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub uset_removeAllStrings(
    ByRef [set] As IntPtr   ' USet* in/out
)
End Sub

' set : USet* in/out
Declare PtrSafe Sub uset_removeAllStrings Lib "icuuc" ( _
    ByRef set As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

uset_removeAllStrings = ctypes.cdll.icuuc.uset_removeAllStrings
uset_removeAllStrings.restype = None
uset_removeAllStrings.argtypes = [
    ctypes.c_void_p,  # set : USet* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
uset_removeAllStrings = Fiddle::Function.new(
  lib['uset_removeAllStrings'],
  [
    Fiddle::TYPE_VOIDP,  # set : USet* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn uset_removeAllStrings(
        set: *mut isize  // USet* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void uset_removeAllStrings(ref IntPtr set);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_uset_removeAllStrings' -Namespace Win32 -PassThru
# $api::uset_removeAllStrings(set)

#uselib "icuuc.dll"
#func global uset_removeAllStrings "uset_removeAllStrings" sptr
; uset_removeAllStrings set
; set : USet* in/out -> "sptr"

#uselib "icuuc.dll"
#func global uset_removeAllStrings "uset_removeAllStrings" int
; uset_removeAllStrings set
; set : USet* in/out -> "int"

; void uset_removeAllStrings(USet* set)
#uselib "icuuc.dll"
#func global uset_removeAllStrings "uset_removeAllStrings" int
; uset_removeAllStrings set
; set : USet* in/out -> "int"

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procuset_removeAllStrings = icuuc.NewProc("uset_removeAllStrings")
)

// set (USet* in/out)
r1, _, err := procuset_removeAllStrings.Call(
	uintptr(set),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure uset_removeAllStrings(
  set: Pointer   // USet* in/out
); cdecl;
  external 'icuuc.dll' name 'uset_removeAllStrings';

result := DllCall("icuuc\uset_removeAllStrings"
    , "Ptr", set   ; USet* in/out
    , "Cdecl Int")   ; return: void

●uset_removeAllStrings(set) = DLL("icuuc.dll", "int uset_removeAllStrings(void*)")
# 呼び出し: uset_removeAllStrings(set)
# set : USet* 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。