Manual Pages for UNIX Operating System command usage for man BIO_s_null

OpenSSL                                      BIO_s_null(3openssl)



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     BIO_s_null - null data sink

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      #include 

      BIO_METHOD *   BIO_s_null(void);


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

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     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

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     BIO_s_null() returns the null sink BIO method.

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     TBA
























14/Sep/2000            Last change: 0.9.8o                      1