DeletePrinterDriverPackageA

// winspool.drv  (ANSI / -A)
#include <windows.h>

HRESULT DeletePrinterDriverPackageA(
    LPCSTR pszServer,   // optional
    LPCSTR pszInfPath,
    LPCSTR pszEnvironment   // optional
);

<DllImport("winspool.drv", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function DeletePrinterDriverPackageA(
    <MarshalAs(UnmanagedType.LPStr)> pszServer As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> pszInfPath As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> pszEnvironment As String   ' LPCSTR optional
) As Integer
End Function

' pszServer : LPCSTR optional
' pszInfPath : LPCSTR
' pszEnvironment : LPCSTR optional
Declare PtrSafe Function DeletePrinterDriverPackageA Lib "winspool.drv" ( _
    ByVal pszServer As String, _
    ByVal pszInfPath As String, _
    ByVal pszEnvironment 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

DeletePrinterDriverPackageA = ctypes.windll.LoadLibrary("winspool.drv").DeletePrinterDriverPackageA
DeletePrinterDriverPackageA.restype = ctypes.c_int
DeletePrinterDriverPackageA.argtypes = [
    wintypes.LPCSTR,  # pszServer : LPCSTR optional
    wintypes.LPCSTR,  # pszInfPath : LPCSTR
    wintypes.LPCSTR,  # pszEnvironment : LPCSTR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
DeletePrinterDriverPackageA = Fiddle::Function.new(
  lib['DeletePrinterDriverPackageA'],
  [
    Fiddle::TYPE_VOIDP,  # pszServer : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # pszInfPath : LPCSTR
    Fiddle::TYPE_VOIDP,  # pszEnvironment : LPCSTR optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "winspool.drv")]
extern "system" {
    fn DeletePrinterDriverPackageA(
        pszServer: *const u8,  // LPCSTR optional
        pszInfPath: *const u8,  // LPCSTR
        pszEnvironment: *const u8  // LPCSTR optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("winspool.drv", CharSet = CharSet.Ansi)]
public static extern int DeletePrinterDriverPackageA([MarshalAs(UnmanagedType.LPStr)] string pszServer, [MarshalAs(UnmanagedType.LPStr)] string pszInfPath, [MarshalAs(UnmanagedType.LPStr)] string pszEnvironment);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_DeletePrinterDriverPackageA' -Namespace Win32 -PassThru
# $api::DeletePrinterDriverPackageA(pszServer, pszInfPath, pszEnvironment)

#uselib "winspool.drv"
#func global DeletePrinterDriverPackageA "DeletePrinterDriverPackageA" sptr, sptr, sptr
; DeletePrinterDriverPackageA pszServer, pszInfPath, pszEnvironment   ; 戻り値は stat
; pszServer : LPCSTR optional -> "sptr"
; pszInfPath : LPCSTR -> "sptr"
; pszEnvironment : LPCSTR optional -> "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 "winspool.drv"
#cfunc global DeletePrinterDriverPackageA "DeletePrinterDriverPackageA" str, str, str
; res = DeletePrinterDriverPackageA(pszServer, pszInfPath, pszEnvironment)
; pszServer : LPCSTR optional -> "str"
; pszInfPath : LPCSTR -> "str"
; pszEnvironment : LPCSTR optional -> "str"

; HRESULT DeletePrinterDriverPackageA(LPCSTR pszServer, LPCSTR pszInfPath, LPCSTR pszEnvironment)
#uselib "winspool.drv"
#cfunc global DeletePrinterDriverPackageA "DeletePrinterDriverPackageA" str, str, str
; res = DeletePrinterDriverPackageA(pszServer, pszInfPath, pszEnvironment)
; pszServer : LPCSTR optional -> "str"
; pszInfPath : LPCSTR -> "str"
; pszEnvironment : LPCSTR optional -> "str"

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

var (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procDeletePrinterDriverPackageA = winspool_drv.NewProc("DeletePrinterDriverPackageA")
)

// pszServer (LPCSTR optional), pszInfPath (LPCSTR), pszEnvironment (LPCSTR optional)
r1, _, err := procDeletePrinterDriverPackageA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszServer))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszInfPath))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszEnvironment))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DeletePrinterDriverPackageA(
  pszServer: PAnsiChar;   // LPCSTR optional
  pszInfPath: PAnsiChar;   // LPCSTR
  pszEnvironment: PAnsiChar   // LPCSTR optional
): Integer; stdcall;
  external 'winspool.drv' name 'DeletePrinterDriverPackageA';

result := DllCall("winspool.drv\DeletePrinterDriverPackageA"
    , "AStr", pszServer   ; LPCSTR optional
    , "AStr", pszInfPath   ; LPCSTR
    , "AStr", pszEnvironment   ; LPCSTR optional
    , "Int")   ; return: HRESULT

●DeletePrinterDriverPackageA(pszServer, pszInfPath, pszEnvironment) = DLL("winspool.drv", "int DeletePrinterDriverPackageA(char*, char*, char*)")
# 呼び出し: DeletePrinterDriverPackageA(pszServer, pszInfPath, pszEnvironment)
# pszServer : LPCSTR optional -> "char*"
# pszInfPath : LPCSTR -> "char*"
# pszEnvironment : LPCSTR optional -> "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)。