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BN_copy(3)                          OpenSSL                         BN_copy(3)

NAME
       BN_copy, BN_dup - copy BIGNUMs

SYNOPSIS
        #include <openssl/bn.h>

        BIGNUM *BN_copy(BIGNUM *to, const BIGNUM *from);

        BIGNUM *BN_dup(const BIGNUM *from);

DESCRIPTION
       BN_copy() copies from to to. BN_dup() creates a new BIGNUM containing
       the value from.

RETURN VALUES
       BN_copy() returns to on success, NULL on error. BN_dup() returns the
       new BIGNUM, and NULL on error. The error codes can be obtained by
       ERR_get_error(3).

SEE ALSO
       bn(3), ERR_get_error(3)

HISTORY
       BN_copy() and BN_dup() are available in all versions of SSLeay and
       OpenSSL.

1.0.2h                            2016-05-03                        BN_copy(3)