alljoyn_msgarg_set_string

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

QStatus alljoyn_msgarg_set_string(
    alljoyn_msgarg arg,
    LPCSTR s
);

<DllImport("MSAJApi.dll", ExactSpelling:=True)>
Public Shared Function alljoyn_msgarg_set_string(
    arg As IntPtr,   ' alljoyn_msgarg
    <MarshalAs(UnmanagedType.LPStr)> s As String   ' LPCSTR
) As Integer
End Function

' arg : alljoyn_msgarg
' s : LPCSTR
Declare PtrSafe Function alljoyn_msgarg_set_string Lib "msajapi" ( _
    ByVal arg As LongPtr, _
    ByVal s As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

alljoyn_msgarg_set_string = ctypes.windll.msajapi.alljoyn_msgarg_set_string
alljoyn_msgarg_set_string.restype = ctypes.c_int
alljoyn_msgarg_set_string.argtypes = [
    ctypes.c_ssize_t,  # arg : alljoyn_msgarg
    wintypes.LPCSTR,  # s : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSAJApi.dll')
alljoyn_msgarg_set_string = Fiddle::Function.new(
  lib['alljoyn_msgarg_set_string'],
  [
    Fiddle::TYPE_INTPTR_T,  # arg : alljoyn_msgarg
    Fiddle::TYPE_VOIDP,  # s : LPCSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "msajapi")]
extern "system" {
    fn alljoyn_msgarg_set_string(
        arg: isize,  // alljoyn_msgarg
        s: *const u8  // LPCSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSAJApi.dll")]
public static extern int alljoyn_msgarg_set_string(IntPtr arg, [MarshalAs(UnmanagedType.LPStr)] string s);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSAJApi_alljoyn_msgarg_set_string' -Namespace Win32 -PassThru
# $api::alljoyn_msgarg_set_string(arg, s)

#uselib "MSAJApi.dll"
#func global alljoyn_msgarg_set_string "alljoyn_msgarg_set_string" sptr, sptr
; alljoyn_msgarg_set_string arg, s   ; 戻り値は stat
; arg : alljoyn_msgarg -> "sptr"
; s : 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_msgarg_set_string "alljoyn_msgarg_set_string" sptr, str
; res = alljoyn_msgarg_set_string(arg, s)
; arg : alljoyn_msgarg -> "sptr"
; s : LPCSTR -> "str"

; QStatus alljoyn_msgarg_set_string(alljoyn_msgarg arg, LPCSTR s)
#uselib "MSAJApi.dll"
#cfunc global alljoyn_msgarg_set_string "alljoyn_msgarg_set_string" intptr, str
; res = alljoyn_msgarg_set_string(arg, s)
; arg : alljoyn_msgarg -> "intptr"
; s : LPCSTR -> "str"

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

var (
	msajapi = windows.NewLazySystemDLL("MSAJApi.dll")
	procalljoyn_msgarg_set_string = msajapi.NewProc("alljoyn_msgarg_set_string")
)

// arg (alljoyn_msgarg), s (LPCSTR)
r1, _, err := procalljoyn_msgarg_set_string.Call(
	uintptr(arg),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(s))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // QStatus

function alljoyn_msgarg_set_string(
  arg: NativeInt;   // alljoyn_msgarg
  s: PAnsiChar   // LPCSTR
): Integer; stdcall;
  external 'MSAJApi.dll' name 'alljoyn_msgarg_set_string';

result := DllCall("MSAJApi\alljoyn_msgarg_set_string"
    , "Ptr", arg   ; alljoyn_msgarg
    , "AStr", s   ; LPCSTR
    , "Int")   ; return: QStatus

●alljoyn_msgarg_set_string(arg, s) = DLL("MSAJApi.dll", "int alljoyn_msgarg_set_string(int, char*)")
# 呼び出し: alljoyn_msgarg_set_string(arg, s)
# arg : alljoyn_msgarg -> "int"
# s : 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)。