openssl/doc/crypto/BN_copy.pod
Richard Levitte b3c1d18d03 It makes more sense to refer to specific function manuals than the concept
manual when the specific function is refered to in the current manual text.
This correction was originally introduced in OpenBSD's tracking of OpenSSL.
2002-09-25 13:34:37 +00:00

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=pod
=head1 NAME
BN_copy, BN_dup - copy BIGNUMs
=head1 SYNOPSIS
#include <openssl/bn.h>
BIGNUM *BN_copy(BIGNUM *to, const BIGNUM *from);
BIGNUM *BN_dup(const BIGNUM *from);
=head1 DESCRIPTION
BN_copy() copies B<from> to B<to>. BN_dup() creates a new B<BIGNUM>
containing the value B<from>.
=head1 RETURN VALUES
BN_copy() returns B<to> on success, NULL on error. BN_dup() returns
the new B<BIGNUM>, and NULL on error. The error codes can be obtained
by L<ERR_get_error(3)|ERR_get_error(3)>.
=head1 SEE ALSO
L<bn(3)|bn(3)>, L<ERR_get_error(3)|ERR_get_error(3)>
=head1 HISTORY
BN_copy() and BN_dup() are available in all versions of SSLeay and OpenSSL.
=cut