diff --git a/include/ssp/ssp.h b/include/ssp/ssp.h
index 6856c5ce6961..489f49a90218 100644
--- a/include/ssp/ssp.h
+++ b/include/ssp/ssp.h
@@ -1,126 +1,127 @@
 /*	$NetBSD: ssp.h,v 1.13 2015/09/03 20:43:47 plunky Exp $	*/
 
 /*-
  *
  * SPDX-License-Identifier: BSD-2-Clause
  *
  * Copyright (c) 2006, 2011 The NetBSD Foundation, Inc.
  * All rights reserved.
  *
  * This code is derived from software contributed to The NetBSD Foundation
  * by Christos Zoulas.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #ifndef _SSP_SSP_H_
 #define _SSP_SSP_H_
 
 #include <sys/cdefs.h>
 
 #if !defined(__cplusplus)
 # if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && \
      (__OPTIMIZE__ > 0 || defined(__clang__))
 #  if _FORTIFY_SOURCE > 1
 #   define __SSP_FORTIFY_LEVEL 2
 #  else
 #   define __SSP_FORTIFY_LEVEL 1
 #  endif
 # else
 #  define __SSP_FORTIFY_LEVEL 0
 # endif
 #else
 # define __SSP_FORTIFY_LEVEL 0
 #endif
 
 #define	__ssp_var(type)	__CONCAT(__ssp_ ## type, __COUNTER__)
 
 /* __ssp_real is used by the implementation in libc */
 #if __SSP_FORTIFY_LEVEL == 0
 #define __ssp_real_(fun)	fun
 #else
 #define __ssp_real_(fun)	__ssp_real_ ## fun
 #endif
 #define __ssp_real(fun)		__ssp_real_(fun)
 
 #define __ssp_inline static __inline __attribute__((__always_inline__))
 
 #define __ssp_bos(ptr) __builtin_object_size(ptr, __SSP_FORTIFY_LEVEL > 1)
 #define __ssp_bos0(ptr) __builtin_object_size(ptr, 0)
 
 #define __ssp_check(buf, len, bos) \
 	if (bos(buf) != (size_t)-1 && (size_t)len > bos(buf)) \
 		__chk_fail()
 
 #define __ssp_redirect_raw_impl(rtype, fun, symbol, args) \
 rtype __ssp_real_(fun) args __RENAME(symbol); \
 __ssp_inline rtype fun args __RENAME(__ssp_protected_ ## fun); \
 __ssp_inline rtype fun args
 
 #define __ssp_redirect_raw(rtype, fun, symbol, args, call, cond, bos, len) \
 __ssp_redirect_raw_impl(rtype, fun, symbol, args) { \
 	if (cond) \
 		__ssp_check(__buf, len, bos); \
 	return __ssp_real_(fun) call; \
 }
 
 #define __ssp_redirect(rtype, fun, args, call) \
     __ssp_redirect_raw(rtype, fun, fun, args, call, 1, __ssp_bos, __len)
 #define __ssp_redirect0(rtype, fun, args, call) \
     __ssp_redirect_raw(rtype, fun, fun, args, call, 1, __ssp_bos0, __len)
 
+#include <sys/_types.h>
 #include <machine/_limits.h>
 
 __ssp_inline int
 __ssp_overlap(const void *leftp, const void *rightp, __size_t sz)
 {
 	__uintptr_t left = (__uintptr_t)leftp;
 	__uintptr_t right = (__uintptr_t)rightp;
 
 	if (left <= right)
 		return (__SIZE_T_MAX - sz < left || right < left + sz);
 
 	return (__SIZE_T_MAX - sz < right || left < right + sz);
 }
 
 #include <sys/_iovec.h>
 
 __BEGIN_DECLS
 void __stack_chk_fail(void) __dead2;
 void __chk_fail(void) __dead2;
 __END_DECLS
 
 __ssp_inline void
 __ssp_check_iovec(const struct iovec *iov, int iovcnt)
 {
 	const size_t iovsz = __ssp_bos(iov);
 	int i;
 
 	if (iovsz != (size_t)-1 && iovsz / sizeof(*iov) < (size_t)iovcnt)
 		__chk_fail();
 
 	for (i = 0; i < iovcnt; i++) {
 		if (__ssp_bos(iov[i].iov_base) < iov[i].iov_len)
 			__chk_fail();
 	}
 }
 
 #endif /* _SSP_SSP_H_ */