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NAME    [Toc]    [Back]

       BIO_s_null - null data sink

LIBRARY    [Toc]    [Back]

       libcrypto, -lcrypto

SYNOPSIS    [Toc]    [Back]

        #include <openssl/bio.h>

        BIO_METHOD *   BIO_s_null(void);

DESCRIPTION    [Toc]    [Back]

       BIO_s_null() returns the null sink BIO method. Data written
 to the null sink is discarded, reads return EOF.

NOTES    [Toc]    [Back]

       A null sink BIO behaves in a similar manner to the Unix
       /dev/null device.

       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 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

RETURN VALUES    [Toc]    [Back]

       BIO_s_null() returns the null sink BIO method.

SEE ALSO    [Toc]    [Back]


2001-04-12                    0.9.6g                BIO_s_null(3)
[ Back ]
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