CertNameToStrA

// CRYPT32.dll  (ANSI / -A)
#include <windows.h>

DWORD CertNameToStrA(
    CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
    CRYPT_INTEGER_BLOB* pName,
    CERT_STRING_TYPE dwStrType,
    LPSTR psz,   // optional
    DWORD csz
);

<DllImport("CRYPT32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function CertNameToStrA(
    dwCertEncodingType As UInteger,   ' CERT_QUERY_ENCODING_TYPE
    pName As IntPtr,   ' CRYPT_INTEGER_BLOB*
    dwStrType As UInteger,   ' CERT_STRING_TYPE
    <MarshalAs(UnmanagedType.LPStr)> psz As System.Text.StringBuilder,   ' LPSTR optional, out
    csz As UInteger   ' DWORD
) As UInteger
End Function

' dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
' pName : CRYPT_INTEGER_BLOB*
' dwStrType : CERT_STRING_TYPE
' psz : LPSTR optional, out
' csz : DWORD
Declare PtrSafe Function CertNameToStrA Lib "crypt32" ( _
    ByVal dwCertEncodingType As Long, _
    ByVal pName As LongPtr, _
    ByVal dwStrType As Long, _
    ByVal psz As String, _
    ByVal csz As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CertNameToStrA = ctypes.windll.crypt32.CertNameToStrA
CertNameToStrA.restype = wintypes.DWORD
CertNameToStrA.argtypes = [
    wintypes.DWORD,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    ctypes.c_void_p,  # pName : CRYPT_INTEGER_BLOB*
    wintypes.DWORD,  # dwStrType : CERT_STRING_TYPE
    wintypes.LPSTR,  # psz : LPSTR optional, out
    wintypes.DWORD,  # csz : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertNameToStrA = Fiddle::Function.new(
  lib['CertNameToStrA'],
  [
    -Fiddle::TYPE_INT,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    Fiddle::TYPE_VOIDP,  # pName : CRYPT_INTEGER_BLOB*
    -Fiddle::TYPE_INT,  # dwStrType : CERT_STRING_TYPE
    Fiddle::TYPE_VOIDP,  # psz : LPSTR optional, out
    -Fiddle::TYPE_INT,  # csz : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CertNameToStrA(
        dwCertEncodingType: u32,  // CERT_QUERY_ENCODING_TYPE
        pName: *mut CRYPT_INTEGER_BLOB,  // CRYPT_INTEGER_BLOB*
        dwStrType: u32,  // CERT_STRING_TYPE
        psz: *mut u8,  // LPSTR optional, out
        csz: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CRYPT32.dll", CharSet = CharSet.Ansi)]
public static extern uint CertNameToStrA(uint dwCertEncodingType, IntPtr pName, uint dwStrType, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder psz, uint csz);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertNameToStrA' -Namespace Win32 -PassThru
# $api::CertNameToStrA(dwCertEncodingType, pName, dwStrType, psz, csz)

#uselib "CRYPT32.dll"
#func global CertNameToStrA "CertNameToStrA" sptr, sptr, sptr, sptr, sptr
; CertNameToStrA dwCertEncodingType, varptr(pName), dwStrType, varptr(psz), csz   ; 戻り値は stat
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "sptr"
; pName : CRYPT_INTEGER_BLOB* -> "sptr"
; dwStrType : CERT_STRING_TYPE -> "sptr"
; psz : LPSTR optional, out -> "sptr"
; csz : DWORD -> "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 "CRYPT32.dll"
#cfunc global CertNameToStrA "CertNameToStrA" int, var, int, var, int
; res = CertNameToStrA(dwCertEncodingType, pName, dwStrType, psz, csz)
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pName : CRYPT_INTEGER_BLOB* -> "var"
; dwStrType : CERT_STRING_TYPE -> "int"
; psz : LPSTR optional, out -> "var"
; csz : DWORD -> "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。

; DWORD CertNameToStrA(CERT_QUERY_ENCODING_TYPE dwCertEncodingType, CRYPT_INTEGER_BLOB* pName, CERT_STRING_TYPE dwStrType, LPSTR psz, DWORD csz)
#uselib "CRYPT32.dll"
#cfunc global CertNameToStrA "CertNameToStrA" int, var, int, var, int
; res = CertNameToStrA(dwCertEncodingType, pName, dwStrType, psz, csz)
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pName : CRYPT_INTEGER_BLOB* -> "var"
; dwStrType : CERT_STRING_TYPE -> "int"
; psz : LPSTR optional, out -> "var"
; csz : DWORD -> "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 (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCertNameToStrA = crypt32.NewProc("CertNameToStrA")
)

// dwCertEncodingType (CERT_QUERY_ENCODING_TYPE), pName (CRYPT_INTEGER_BLOB*), dwStrType (CERT_STRING_TYPE), psz (LPSTR optional, out), csz (DWORD)
r1, _, err := procCertNameToStrA.Call(
	uintptr(dwCertEncodingType),
	uintptr(pName),
	uintptr(dwStrType),
	uintptr(psz),
	uintptr(csz),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function CertNameToStrA(
  dwCertEncodingType: DWORD;   // CERT_QUERY_ENCODING_TYPE
  pName: Pointer;   // CRYPT_INTEGER_BLOB*
  dwStrType: DWORD;   // CERT_STRING_TYPE
  psz: PAnsiChar;   // LPSTR optional, out
  csz: DWORD   // DWORD
): DWORD; stdcall;
  external 'CRYPT32.dll' name 'CertNameToStrA';

result := DllCall("CRYPT32\CertNameToStrA"
    , "UInt", dwCertEncodingType   ; CERT_QUERY_ENCODING_TYPE
    , "Ptr", pName   ; CRYPT_INTEGER_BLOB*
    , "UInt", dwStrType   ; CERT_STRING_TYPE
    , "Ptr", psz   ; LPSTR optional, out
    , "UInt", csz   ; DWORD
    , "UInt")   ; return: DWORD

●CertNameToStrA(dwCertEncodingType, pName, dwStrType, psz, csz) = DLL("CRYPT32.dll", "dword CertNameToStrA(dword, void*, dword, char*, dword)")
# 呼び出し: CertNameToStrA(dwCertEncodingType, pName, dwStrType, psz, csz)
# dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "dword"
# pName : CRYPT_INTEGER_BLOB* -> "void*"
# dwStrType : CERT_STRING_TYPE -> "dword"
# psz : LPSTR optional, out -> "char*"
# csz : DWORD -> "dword"
# 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)。