_hread

// KERNEL32.dll
#include <windows.h>

INT _hread(
    INT hFile,
    void* lpBuffer,
    INT lBytes
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function _hread(
    hFile As Integer,   ' INT
    lpBuffer As IntPtr,   ' void* out
    lBytes As Integer   ' INT
) As Integer
End Function

' hFile : INT
' lpBuffer : void* out
' lBytes : INT
Declare PtrSafe Function _hread Lib "kernel32" ( _
    ByVal hFile As Long, _
    ByVal lpBuffer As LongPtr, _
    ByVal lBytes 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

_hread = ctypes.windll.kernel32._hread
_hread.restype = ctypes.c_int
_hread.argtypes = [
    ctypes.c_int,  # hFile : INT
    ctypes.POINTER(None),  # lpBuffer : void* out
    ctypes.c_int,  # lBytes : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
_hread = Fiddle::Function.new(
  lib['_hread'],
  [
    Fiddle::TYPE_INT,  # hFile : INT
    Fiddle::TYPE_VOIDP,  # lpBuffer : void* out
    Fiddle::TYPE_INT,  # lBytes : INT
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn _hread(
        hFile: i32,  // INT
        lpBuffer: *mut (),  // void* out
        lBytes: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern int _hread(int hFile, IntPtr lpBuffer, int lBytes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32__hread' -Namespace Win32 -PassThru
# $api::_hread(hFile, lpBuffer, lBytes)

#uselib "KERNEL32.dll"
#func global _hread "_hread" sptr, sptr, sptr
; _hread hFile, lpBuffer, lBytes   ; 戻り値は stat
; hFile : INT -> "sptr"
; lpBuffer : void* out -> "sptr"
; lBytes : INT -> "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 "KERNEL32.dll"
#cfunc global _hread "_hread" int, sptr, int
; res = _hread(hFile, lpBuffer, lBytes)
; hFile : INT -> "int"
; lpBuffer : void* out -> "sptr"
; lBytes : INT -> "int"

; INT _hread(INT hFile, void* lpBuffer, INT lBytes)
#uselib "KERNEL32.dll"
#cfunc global _hread "_hread" int, intptr, int
; res = _hread(hFile, lpBuffer, lBytes)
; hFile : INT -> "int"
; lpBuffer : void* out -> "intptr"
; lBytes : INT -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	proc_hread = kernel32.NewProc("_hread")
)

// hFile (INT), lpBuffer (void* out), lBytes (INT)
r1, _, err := proc_hread.Call(
	uintptr(hFile),
	uintptr(lpBuffer),
	uintptr(lBytes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function _hread(
  hFile: Integer;   // INT
  lpBuffer: Pointer;   // void* out
  lBytes: Integer   // INT
): Integer; stdcall;
  external 'KERNEL32.dll' name '_hread';

result := DllCall("KERNEL32\_hread"
    , "Int", hFile   ; INT
    , "Ptr", lpBuffer   ; void* out
    , "Int", lBytes   ; INT
    , "Int")   ; return: INT

●_hread(hFile, lpBuffer, lBytes) = DLL("KERNEL32.dll", "int _hread(int, void*, int)")
# 呼び出し: _hread(hFile, lpBuffer, lBytes)
# hFile : INT -> "int"
# lpBuffer : void* out -> "void*"
# lBytes : INT -> "int"
# 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)。