CredIsMarshaledCredentialA

// ADVAPI32.dll  (ANSI / -A)
#include <windows.h>

BOOL CredIsMarshaledCredentialA(
    LPCSTR MarshaledCredential
);

<DllImport("ADVAPI32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function CredIsMarshaledCredentialA(
    <MarshalAs(UnmanagedType.LPStr)> MarshaledCredential As String   ' LPCSTR
) As Boolean
End Function

' MarshaledCredential : LPCSTR
Declare PtrSafe Function CredIsMarshaledCredentialA Lib "advapi32" ( _
    ByVal MarshaledCredential 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

CredIsMarshaledCredentialA = ctypes.windll.advapi32.CredIsMarshaledCredentialA
CredIsMarshaledCredentialA.restype = wintypes.BOOL
CredIsMarshaledCredentialA.argtypes = [
    wintypes.LPCSTR,  # MarshaledCredential : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
CredIsMarshaledCredentialA = Fiddle::Function.new(
  lib['CredIsMarshaledCredentialA'],
  [
    Fiddle::TYPE_VOIDP,  # MarshaledCredential : LPCSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn CredIsMarshaledCredentialA(
        MarshaledCredential: *const u8  // LPCSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", CharSet = CharSet.Ansi)]
public static extern bool CredIsMarshaledCredentialA([MarshalAs(UnmanagedType.LPStr)] string MarshaledCredential);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_CredIsMarshaledCredentialA' -Namespace Win32 -PassThru
# $api::CredIsMarshaledCredentialA(MarshaledCredential)

#uselib "ADVAPI32.dll"
#func global CredIsMarshaledCredentialA "CredIsMarshaledCredentialA" sptr
; CredIsMarshaledCredentialA MarshaledCredential   ; 戻り値は stat
; MarshaledCredential : 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 "ADVAPI32.dll"
#cfunc global CredIsMarshaledCredentialA "CredIsMarshaledCredentialA" str
; res = CredIsMarshaledCredentialA(MarshaledCredential)
; MarshaledCredential : LPCSTR -> "str"

; BOOL CredIsMarshaledCredentialA(LPCSTR MarshaledCredential)
#uselib "ADVAPI32.dll"
#cfunc global CredIsMarshaledCredentialA "CredIsMarshaledCredentialA" str
; res = CredIsMarshaledCredentialA(MarshaledCredential)
; MarshaledCredential : LPCSTR -> "str"

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procCredIsMarshaledCredentialA = advapi32.NewProc("CredIsMarshaledCredentialA")
)

// MarshaledCredential (LPCSTR)
r1, _, err := procCredIsMarshaledCredentialA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(MarshaledCredential))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CredIsMarshaledCredentialA(
  MarshaledCredential: PAnsiChar   // LPCSTR
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'CredIsMarshaledCredentialA';

result := DllCall("ADVAPI32\CredIsMarshaledCredentialA"
    , "AStr", MarshaledCredential   ; LPCSTR
    , "Int")   ; return: BOOL

●CredIsMarshaledCredentialA(MarshaledCredential) = DLL("ADVAPI32.dll", "bool CredIsMarshaledCredentialA(char*)")
# 呼び出し: CredIsMarshaledCredentialA(MarshaledCredential)
# MarshaledCredential : 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)。