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Интерактивная система просмотра системных руководств (man-ов)

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bio (3)
  • bio (3) ( Solaris man: Библиотечные вызовы )
  • >> bio (3) ( Linux man: Библиотечные вызовы )
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    NAME

    bio - I/O abstraction
 

    SYNOPSIS

     #include <openssl/bio.h>

    TBA  

    DESCRIPTION

    A BIO is an I/O abstraction, it hides many of the underlying I/O details from an application. If an application uses a BIO for its I/O it can transparently handle SSL connections, unencrypted network connections and file I/O.

    There are two type of BIO, a source/sink BIO and a filter BIO.

    As its name implies a source/sink BIO is a source and/or sink of data, examples include a socket BIO and a file BIO.

    A filter BIO takes data from one BIO and passes it through to another, or the application. The data may be left unmodified (for example a message digest BIO) or translated (for example an encryption BIO). The effect of a filter BIO may change according to the I/O operation it is performing: for example an encryption BIO will encrypt data if it is being written to and decrypt data if it is being read from.

    BIOs can be joined together to form a chain (a single BIO is a chain with one component). A chain normally consist of one source/sink BIO and one or more filter BIOs. Data read from or written to the first BIO then traverses the chain to the end (normally a source/sink BIO).  

    SEE ALSO

    BIO_ctrl(3), BIO_f_base64(3), BIO_f_buffer(3), BIO_f_cipher(3), BIO_f_md(3), BIO_f_null(3), BIO_f_ssl(3), BIO_find_type(3), BIO_new(3), BIO_new_bio_pair(3), BIO_push(3), BIO_read(3), BIO_s_accept(3), BIO_s_bio(3), BIO_s_connect(3), BIO_s_fd(3), BIO_s_file(3), BIO_s_mem(3), BIO_s_null(3), BIO_s_socket(3), BIO_set_callback(3), BIO_should_retry(3)

     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    SEE ALSO

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