DeletePrintProvidorA

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

BOOL DeletePrintProvidorA(
    LPSTR pName,   // optional
    LPSTR pEnvironment,   // optional
    LPSTR pPrintProvidorName
);

<DllImport("winspool.drv", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function DeletePrintProvidorA(
    <MarshalAs(UnmanagedType.LPStr)> pName As String,   ' LPSTR optional
    <MarshalAs(UnmanagedType.LPStr)> pEnvironment As String,   ' LPSTR optional
    <MarshalAs(UnmanagedType.LPStr)> pPrintProvidorName As String   ' LPSTR
) As Boolean
End Function

' pName : LPSTR optional
' pEnvironment : LPSTR optional
' pPrintProvidorName : LPSTR
Declare PtrSafe Function DeletePrintProvidorA Lib "winspool.drv" ( _
    ByVal pName As String, _
    ByVal pEnvironment As String, _
    ByVal pPrintProvidorName 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

DeletePrintProvidorA = ctypes.windll.LoadLibrary("winspool.drv").DeletePrintProvidorA
DeletePrintProvidorA.restype = wintypes.BOOL
DeletePrintProvidorA.argtypes = [
    wintypes.LPCSTR,  # pName : LPSTR optional
    wintypes.LPCSTR,  # pEnvironment : LPSTR optional
    wintypes.LPCSTR,  # pPrintProvidorName : LPSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
DeletePrintProvidorA = Fiddle::Function.new(
  lib['DeletePrintProvidorA'],
  [
    Fiddle::TYPE_VOIDP,  # pName : LPSTR optional
    Fiddle::TYPE_VOIDP,  # pEnvironment : LPSTR optional
    Fiddle::TYPE_VOIDP,  # pPrintProvidorName : LPSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "winspool.drv")]
extern "system" {
    fn DeletePrintProvidorA(
        pName: *mut u8,  // LPSTR optional
        pEnvironment: *mut u8,  // LPSTR optional
        pPrintProvidorName: *mut u8  // LPSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("winspool.drv", CharSet = CharSet.Ansi)]
public static extern bool DeletePrintProvidorA([MarshalAs(UnmanagedType.LPStr)] string pName, [MarshalAs(UnmanagedType.LPStr)] string pEnvironment, [MarshalAs(UnmanagedType.LPStr)] string pPrintProvidorName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_DeletePrintProvidorA' -Namespace Win32 -PassThru
# $api::DeletePrintProvidorA(pName, pEnvironment, pPrintProvidorName)

#uselib "winspool.drv"
#func global DeletePrintProvidorA "DeletePrintProvidorA" sptr, sptr, sptr
; DeletePrintProvidorA pName, pEnvironment, pPrintProvidorName   ; 戻り値は stat
; pName : LPSTR optional -> "sptr"
; pEnvironment : LPSTR optional -> "sptr"
; pPrintProvidorName : LPSTR -> "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 DeletePrintProvidorA "DeletePrintProvidorA" str, str, str
; res = DeletePrintProvidorA(pName, pEnvironment, pPrintProvidorName)
; pName : LPSTR optional -> "str"
; pEnvironment : LPSTR optional -> "str"
; pPrintProvidorName : LPSTR -> "str"

; BOOL DeletePrintProvidorA(LPSTR pName, LPSTR pEnvironment, LPSTR pPrintProvidorName)
#uselib "winspool.drv"
#cfunc global DeletePrintProvidorA "DeletePrintProvidorA" str, str, str
; res = DeletePrintProvidorA(pName, pEnvironment, pPrintProvidorName)
; pName : LPSTR optional -> "str"
; pEnvironment : LPSTR optional -> "str"
; pPrintProvidorName : LPSTR -> "str"

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

var (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procDeletePrintProvidorA = winspool_drv.NewProc("DeletePrintProvidorA")
)

// pName (LPSTR optional), pEnvironment (LPSTR optional), pPrintProvidorName (LPSTR)
r1, _, err := procDeletePrintProvidorA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pName))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pEnvironment))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pPrintProvidorName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function DeletePrintProvidorA(
  pName: PAnsiChar;   // LPSTR optional
  pEnvironment: PAnsiChar;   // LPSTR optional
  pPrintProvidorName: PAnsiChar   // LPSTR
): BOOL; stdcall;
  external 'winspool.drv' name 'DeletePrintProvidorA';

result := DllCall("winspool.drv\DeletePrintProvidorA"
    , "AStr", pName   ; LPSTR optional
    , "AStr", pEnvironment   ; LPSTR optional
    , "AStr", pPrintProvidorName   ; LPSTR
    , "Int")   ; return: BOOL

●DeletePrintProvidorA(pName, pEnvironment, pPrintProvidorName) = DLL("winspool.drv", "bool DeletePrintProvidorA(char*, char*, char*)")
# 呼び出し: DeletePrintProvidorA(pName, pEnvironment, pPrintProvidorName)
# pName : LPSTR optional -> "char*"
# pEnvironment : LPSTR optional -> "char*"
# pPrintProvidorName : LPSTR -> "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)。