alljoyn_observer_get

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

alljoyn_proxybusobject_ref alljoyn_observer_get(
    alljoyn_observer observer,
    LPCSTR uniqueBusName,
    LPCSTR objectPath
);

<DllImport("MSAJApi.dll", ExactSpelling:=True)>
Public Shared Function alljoyn_observer_get(
    observer As IntPtr,   ' alljoyn_observer
    <MarshalAs(UnmanagedType.LPStr)> uniqueBusName As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> objectPath As String   ' LPCSTR
) As IntPtr
End Function

' observer : alljoyn_observer
' uniqueBusName : LPCSTR
' objectPath : LPCSTR
Declare PtrSafe Function alljoyn_observer_get Lib "msajapi" ( _
    ByVal observer As LongPtr, _
    ByVal uniqueBusName As String, _
    ByVal objectPath As String) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

alljoyn_observer_get = ctypes.windll.msajapi.alljoyn_observer_get
alljoyn_observer_get.restype = ctypes.c_ssize_t
alljoyn_observer_get.argtypes = [
    ctypes.c_ssize_t,  # observer : alljoyn_observer
    wintypes.LPCSTR,  # uniqueBusName : LPCSTR
    wintypes.LPCSTR,  # objectPath : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSAJApi.dll')
alljoyn_observer_get = Fiddle::Function.new(
  lib['alljoyn_observer_get'],
  [
    Fiddle::TYPE_INTPTR_T,  # observer : alljoyn_observer
    Fiddle::TYPE_VOIDP,  # uniqueBusName : LPCSTR
    Fiddle::TYPE_VOIDP,  # objectPath : LPCSTR
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "msajapi")]
extern "system" {
    fn alljoyn_observer_get(
        observer: isize,  // alljoyn_observer
        uniqueBusName: *const u8,  // LPCSTR
        objectPath: *const u8  // LPCSTR
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSAJApi.dll")]
public static extern IntPtr alljoyn_observer_get(IntPtr observer, [MarshalAs(UnmanagedType.LPStr)] string uniqueBusName, [MarshalAs(UnmanagedType.LPStr)] string objectPath);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSAJApi_alljoyn_observer_get' -Namespace Win32 -PassThru
# $api::alljoyn_observer_get(observer, uniqueBusName, objectPath)

#uselib "MSAJApi.dll"
#func global alljoyn_observer_get "alljoyn_observer_get" sptr, sptr, sptr
; alljoyn_observer_get observer, uniqueBusName, objectPath   ; 戻り値は stat
; observer : alljoyn_observer -> "sptr"
; uniqueBusName : LPCSTR -> "sptr"
; objectPath : LPCSTR -> "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 "MSAJApi.dll"
#cfunc global alljoyn_observer_get "alljoyn_observer_get" sptr, str, str
; res = alljoyn_observer_get(observer, uniqueBusName, objectPath)
; observer : alljoyn_observer -> "sptr"
; uniqueBusName : LPCSTR -> "str"
; objectPath : LPCSTR -> "str"

; alljoyn_proxybusobject_ref alljoyn_observer_get(alljoyn_observer observer, LPCSTR uniqueBusName, LPCSTR objectPath)
#uselib "MSAJApi.dll"
#cfunc global alljoyn_observer_get "alljoyn_observer_get" intptr, str, str
; res = alljoyn_observer_get(observer, uniqueBusName, objectPath)
; observer : alljoyn_observer -> "intptr"
; uniqueBusName : LPCSTR -> "str"
; objectPath : LPCSTR -> "str"

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

var (
	msajapi = windows.NewLazySystemDLL("MSAJApi.dll")
	procalljoyn_observer_get = msajapi.NewProc("alljoyn_observer_get")
)

// observer (alljoyn_observer), uniqueBusName (LPCSTR), objectPath (LPCSTR)
r1, _, err := procalljoyn_observer_get.Call(
	uintptr(observer),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(uniqueBusName))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(objectPath))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // alljoyn_proxybusobject_ref

function alljoyn_observer_get(
  observer: NativeInt;   // alljoyn_observer
  uniqueBusName: PAnsiChar;   // LPCSTR
  objectPath: PAnsiChar   // LPCSTR
): NativeInt; stdcall;
  external 'MSAJApi.dll' name 'alljoyn_observer_get';

result := DllCall("MSAJApi\alljoyn_observer_get"
    , "Ptr", observer   ; alljoyn_observer
    , "AStr", uniqueBusName   ; LPCSTR
    , "AStr", objectPath   ; LPCSTR
    , "Ptr")   ; return: alljoyn_proxybusobject_ref

●alljoyn_observer_get(observer, uniqueBusName, objectPath) = DLL("MSAJApi.dll", "int alljoyn_observer_get(int, char*, char*)")
# 呼び出し: alljoyn_observer_get(observer, uniqueBusName, objectPath)
# observer : alljoyn_observer -> "int"
# uniqueBusName : LPCSTR -> "char*"
# objectPath : LPCSTR -> "char*"
# 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)。