UrlGetLocationA

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

LPSTR UrlGetLocationA(
    LPCSTR pszURL
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function UrlGetLocationA(
    <MarshalAs(UnmanagedType.LPStr)> pszURL As String   ' LPCSTR
) As IntPtr
End Function

' pszURL : LPCSTR
Declare PtrSafe Function UrlGetLocationA Lib "shlwapi" ( _
    ByVal pszURL 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

UrlGetLocationA = ctypes.windll.shlwapi.UrlGetLocationA
UrlGetLocationA.restype = wintypes.LPSTR
UrlGetLocationA.argtypes = [
    wintypes.LPCSTR,  # pszURL : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
UrlGetLocationA = Fiddle::Function.new(
  lib['UrlGetLocationA'],
  [
    Fiddle::TYPE_VOIDP,  # pszURL : LPCSTR
  ],
  Fiddle::TYPE_VOIDP)

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

$sig = @"
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi)]
public static extern IntPtr UrlGetLocationA([MarshalAs(UnmanagedType.LPStr)] string pszURL);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_UrlGetLocationA' -Namespace Win32 -PassThru
# $api::UrlGetLocationA(pszURL)

#uselib "SHLWAPI.dll"
#func global UrlGetLocationA "UrlGetLocationA" sptr
; UrlGetLocationA pszURL   ; 戻り値は stat
; pszURL : 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 "SHLWAPI.dll"
#cfunc global UrlGetLocationA "UrlGetLocationA" str
; res = UrlGetLocationA(pszURL)
; pszURL : LPCSTR -> "str"

; LPSTR UrlGetLocationA(LPCSTR pszURL)
#uselib "SHLWAPI.dll"
#cfunc global UrlGetLocationA "UrlGetLocationA" str
; res = UrlGetLocationA(pszURL)
; pszURL : LPCSTR -> "str"

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

var (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procUrlGetLocationA = shlwapi.NewProc("UrlGetLocationA")
)

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

function UrlGetLocationA(
  pszURL: PAnsiChar   // LPCSTR
): PAnsiChar; stdcall;
  external 'SHLWAPI.dll' name 'UrlGetLocationA';

result := DllCall("SHLWAPI\UrlGetLocationA"
    , "AStr", pszURL   ; LPCSTR
    , "Ptr")   ; return: LPSTR

●UrlGetLocationA(pszURL) = DLL("SHLWAPI.dll", "char* UrlGetLocationA(char*)")
# 呼び出し: UrlGetLocationA(pszURL)
# pszURL : 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)。