Update the documentation of BN_hex2bn()

[openssl.git] / doc / crypto / BIO_s_null.pod

diff --git a/doc/crypto/BIO_s_null.pod b/doc/crypto/BIO_s_null.pod
index b9a3c2cf3fb298ff55cccb12497c5c2d1c9bf90a..5a1d84dd2cfb3565df79c6ddb0425528929cbd1c 100644 (file)
--- a/doc/crypto/BIO_s_null.pod
+++ b/doc/crypto/BIO_s_null.pod
@@ -2,18 +2,18 @@
 
 =head1 NAME
 
-       BIO_s_null - null data sink
+BIO_s_null - null data sink
 
 =head1 SYNOPSIS
 
  #include <openssl/bio.h>
 
- BIO_METHOD *  BIO_s_null(void);
+ const BIO_METHOD *     BIO_s_null(void);
 
 =head1 DESCRIPTION
 
 BIO_s_null() returns the null sink BIO method. Data written to
-the null sink is discraded, reads return EOF.
+the null sink is discarded, reads return EOF.
 
 =head1 NOTES
 
@@ -24,14 +24,21 @@ A null bio can be placed on the end of a chain to discard any data
 passed through it.
 
 A null sink is useful if, for example, an application wishes to digest some
-data but not write the result anywhere. Since a BIO chain must normally
-include a source/sink BIO this can be achieved by adding a null sink BIO
-to the end of the chain
+data by writing through a digest bio but not send the digested data anywhere.
+Since a BIO chain must normally include a source/sink BIO this can be achieved
+by adding a null sink BIO to the end of the chain
 
 =head1 RETURN VALUES
 
 BIO_s_null() returns the null sink BIO method.
 
-=head1 SEE ALSO
+=head1 COPYRIGHT
 
-TBA
+Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
+
+Licensed under the OpenSSL license (the "License").  You may not use
+this file except in compliance with the License.  You can obtain a copy
+in the file LICENSE in the source distribution or at
+L<https://www.openssl.org/source/license.html>.
+
+=cut