func (p *Proc) Addr() uintptr {
	return p.addr
}

// Call executes procedure p with arguments a.
//
// The returned error is always non-nil, constructed from the result of GetLastError.
// Callers must inspect the primary return value to decide whether an error occurred
// (according to the semantics of the specific function being called) before consulting
// the error. The error always has type [Errno].

	// value in case this call returned a floating point value. For details,
	// see https://docs.microsoft.com/en-us/cpp/build/x64-calling-convention
	MOVQ    X0, libcall_r2(CX)

	// GetLastError().
	MOVQ	0x30(GS), DI
	MOVL	0x68(DI), AX
	MOVQ	AX, libcall_err(CX)

	RET

// faster get/set last error
TEXT runtime·getlasterror(SB),NOSPLIT,$0
	MOVQ	0x30(GS), AX
	MOVL	0x68(AX), AX

  # you must check both the return value of the function and the error code returned by GetLastError to
  # determine whether or not an error has occurred. If an error has occurred, the return value of SetFilePointer
  # is INVALID_SET_FILE_POINTER and GetLastError returns a value other than NO_ERROR.
  $ret = $Kernel32::SetFilePointer($handle, 0, [System.IntPtr]::Zero, $FILE_BEGIN)

	procGetFullPathNameW                   = modkernel32.NewProc("GetFullPathNameW")
	procGetLastError                       = modkernel32.NewProc("GetLastError")
	procGetLongPathNameW                   = modkernel32.NewProc("GetLongPathNameW")
	procGetProcAddress                     = modkernel32.NewProc("GetProcAddress")

// Between NewCallback and NewCallbackCDecl, at least 1024 callbacks can always be created.
func NewCallbackCDecl(fn any) uintptr {
	return compileCallback(fn, false)
}

// windows api calls

//sys	GetLastError() (lasterr error)
//sys	LoadLibrary(libname string) (handle Handle, err error) = LoadLibraryW
//sys	FreeLibrary(handle Handle) (err error)
//sys	GetProcAddress(module Handle, procname string) (proc uintptr, err error)

func NewCallbackCDecl(fn interface{}) uintptr {
	return syscall.NewCallbackCDecl(fn)
}

// windows api calls

//sys	GetLastError() (lasterr error)
//sys	LoadLibrary(libname string) (handle Handle, err error) = LoadLibraryW
//sys	LoadLibraryEx(libname string, zero Handle, flags uintptr) (handle Handle, err error) = LoadLibraryExW

	procGetLargePageMinimum                                  = modkernel32.NewProc("GetLargePageMinimum")
	procGetLastError                                         = modkernel32.NewProc("GetLastError")
	procGetLogicalDriveStringsW                              = modkernel32.NewProc("GetLogicalDriveStringsW")
	procGetLogicalDrives                                     = modkernel32.NewProc("GetLogicalDrives")

		{"GetFileInformationByHandle", Func, 0},
		{"GetFileType", Func, 0},
		{"GetFullPathName", Func, 0},
		{"GetHostByName", Func, 0},
		{"GetIfEntry", Func, 0},
		{"GetLastError", Func, 0},
		{"GetLengthSid", Func, 0},
		{"GetLongPathName", Func, 0},
		{"GetProcAddress", Func, 0},
		{"GetProcessTimes", Func, 0},
		{"GetProtoByName", Func, 0},

pkg syscall (windows-386), func GetHostByName(string) (*Hostent, error)
pkg syscall (windows-386), func GetIfEntry(*MibIfRow) error
pkg syscall (windows-386), func GetLastError() error
pkg syscall (windows-386), func GetLengthSid(*SID) uint32
pkg syscall (windows-386), func GetLongPathName(*uint16, *uint16, uint32) (uint32, error)