mention what BN_ULONG is

1 files changed, 12 insertions, 3 deletions

diff --git a/src/lib/libcrypto/man/BN_add_word.3 b/src/lib/libcrypto/man/BN_add_word.3
index 1156fe37a5..161029c302 100644
--- a/src/lib/libcrypto/man/BN_add_word.3
+++ b/src/lib/libcrypto/man/BN_add_word.3
@@ -1,5 +1,5 @@
-.\"     $OpenBSD: BN_add_word.3,v 1.9 2019/06/10 14:58:48 schwarze Exp $
-.\"     OpenSSL b97fdb57 Nov 11 09:33:09 2016 +0100
+.\" $OpenBSD: BN_add_word.3,v 1.10 2022/11/22 19:02:07 schwarze Exp $
+.\" full merge up to: OpenSSL 9e183d22 Mar 11 08:56:44 2017 -0500
 .\"
 .\" This file was written by Ulf Moeller <ulf@openssl.org>.
 .\" Copyright (c) 2000, 2005 The OpenSSL Project.  All rights reserved.
@@ -48,7 +48,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 .\" OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: June 10 2019 $
+.Dd $Mdocdate: November 22 2022 $
 .Dt BN_ADD_WORD 3
 .Os
 .Sh NAME
@@ -91,6 +91,15 @@ integers.
 They are much more efficient than the normal BIGNUM arithmetic
 operations.
 .Pp
+.Vt BN_ULONG
+is a macro that expands to
+.Vt unsigned long Pq = Vt uint64_t
+on
+.Dv _LP64
+platforms and
+.Vt unsigned int Pq = Vt uint32_t
+elsewhere.
+.Pp
 .Fn BN_add_word
 adds
 .Fa w