WNetAddConnectionA

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

WIN32_ERROR WNetAddConnectionA(
    LPCSTR lpRemoteName,
    LPCSTR lpPassword,   // optional
    LPCSTR lpLocalName   // optional
);

<DllImport("MPR.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function WNetAddConnectionA(
    <MarshalAs(UnmanagedType.LPStr)> lpRemoteName As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> lpPassword As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> lpLocalName As String   ' LPCSTR optional
) As UInteger
End Function

' lpRemoteName : LPCSTR
' lpPassword : LPCSTR optional
' lpLocalName : LPCSTR optional
Declare PtrSafe Function WNetAddConnectionA Lib "mpr" ( _
    ByVal lpRemoteName As String, _
    ByVal lpPassword As String, _
    ByVal lpLocalName 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

WNetAddConnectionA = ctypes.windll.mpr.WNetAddConnectionA
WNetAddConnectionA.restype = wintypes.DWORD
WNetAddConnectionA.argtypes = [
    wintypes.LPCSTR,  # lpRemoteName : LPCSTR
    wintypes.LPCSTR,  # lpPassword : LPCSTR optional
    wintypes.LPCSTR,  # lpLocalName : LPCSTR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MPR.dll')
WNetAddConnectionA = Fiddle::Function.new(
  lib['WNetAddConnectionA'],
  [
    Fiddle::TYPE_VOIDP,  # lpRemoteName : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpPassword : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # lpLocalName : LPCSTR optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "mpr")]
extern "system" {
    fn WNetAddConnectionA(
        lpRemoteName: *const u8,  // LPCSTR
        lpPassword: *const u8,  // LPCSTR optional
        lpLocalName: *const u8  // LPCSTR optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MPR.dll", CharSet = CharSet.Ansi)]
public static extern uint WNetAddConnectionA([MarshalAs(UnmanagedType.LPStr)] string lpRemoteName, [MarshalAs(UnmanagedType.LPStr)] string lpPassword, [MarshalAs(UnmanagedType.LPStr)] string lpLocalName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MPR_WNetAddConnectionA' -Namespace Win32 -PassThru
# $api::WNetAddConnectionA(lpRemoteName, lpPassword, lpLocalName)

#uselib "MPR.dll"
#func global WNetAddConnectionA "WNetAddConnectionA" sptr, sptr, sptr
; WNetAddConnectionA lpRemoteName, lpPassword, lpLocalName   ; 戻り値は stat
; lpRemoteName : LPCSTR -> "sptr"
; lpPassword : LPCSTR optional -> "sptr"
; lpLocalName : 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 "MPR.dll"
#cfunc global WNetAddConnectionA "WNetAddConnectionA" str, str, str
; res = WNetAddConnectionA(lpRemoteName, lpPassword, lpLocalName)
; lpRemoteName : LPCSTR -> "str"
; lpPassword : LPCSTR optional -> "str"
; lpLocalName : LPCSTR optional -> "str"

; WIN32_ERROR WNetAddConnectionA(LPCSTR lpRemoteName, LPCSTR lpPassword, LPCSTR lpLocalName)
#uselib "MPR.dll"
#cfunc global WNetAddConnectionA "WNetAddConnectionA" str, str, str
; res = WNetAddConnectionA(lpRemoteName, lpPassword, lpLocalName)
; lpRemoteName : LPCSTR -> "str"
; lpPassword : LPCSTR optional -> "str"
; lpLocalName : LPCSTR optional -> "str"

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

var (
	mpr = windows.NewLazySystemDLL("MPR.dll")
	procWNetAddConnectionA = mpr.NewProc("WNetAddConnectionA")
)

// lpRemoteName (LPCSTR), lpPassword (LPCSTR optional), lpLocalName (LPCSTR optional)
r1, _, err := procWNetAddConnectionA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpRemoteName))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpPassword))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpLocalName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function WNetAddConnectionA(
  lpRemoteName: PAnsiChar;   // LPCSTR
  lpPassword: PAnsiChar;   // LPCSTR optional
  lpLocalName: PAnsiChar   // LPCSTR optional
): DWORD; stdcall;
  external 'MPR.dll' name 'WNetAddConnectionA';

result := DllCall("MPR\WNetAddConnectionA"
    , "AStr", lpRemoteName   ; LPCSTR
    , "AStr", lpPassword   ; LPCSTR optional
    , "AStr", lpLocalName   ; LPCSTR optional
    , "UInt")   ; return: WIN32_ERROR

●WNetAddConnectionA(lpRemoteName, lpPassword, lpLocalName) = DLL("MPR.dll", "dword WNetAddConnectionA(char*, char*, char*)")
# 呼び出し: WNetAddConnectionA(lpRemoteName, lpPassword, lpLocalName)
# lpRemoteName : LPCSTR -> "char*"
# lpPassword : LPCSTR optional -> "char*"
# lpLocalName : 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)。