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NAME    [Toc]    [Back]

       OPENSSL_VERSION_NUMBER, SSLeay, SSLeay_version - get
       OpenSSL version number

SYNOPSIS    [Toc]    [Back]

        #include <openssl/opensslv.h>
        #define OPENSSL_VERSION_NUMBER 0xnnnnnnnnnL

        #include <openssl/crypto.h>
        long SSLeay(void);
        const char *SSLeay_version(int t);

DESCRIPTION    [Toc]    [Back]

       OPENSSL_VERSION_NUMBER is a numeric release version identifier:

        MMNNFFPPS: major minor fix patch status

       The status nibble has one of the values 0 for development,
       1 to e for betas 1 to 14, and f for release.

       for example

        0x000906000 == 0.9.6 dev
        0x000906023 == 0.9.6b beta 3
        0x00090605f == 0.9.6e release

       Versions prior to 0.9.3 have identifiers < 0x0930.  Versions
 between 0.9.3 and 0.9.5 had a version identifier
       with this interpretation:

        MMNNFFRBB major minor fix final beta/patch

       for example

        0x000904100 == 0.9.4 release
        0x000905000 == 0.9.5 dev

       Version 0.9.5a had an interim interpretation that is like
       the current one, except the patch level got the highest
       bit set, to keep continuity.  The number was therefore

       For backward compatibility, SSLEAY_VERSION_NUMBER is also

       SSLeay() returns this number. The return value can be compared
 to the macro to make sure that the correct version
       of the library has been loaded, especially when using DLLs
       on Windows systems.

       SSLeay_version() returns different strings depending on t:
           The text variant of the version number and the release
           date.  For example, "OpenSSL 0.9.5a 1 Apr 2000".

           The compiler flags set for the compilation process in
           the form "compiler: ..."  if available or "compiler:
           information not available" otherwise.

           The date of the build process in the form "built on:
           ..." if available or "built on: date not available"

           The "Configure" target of the library build in the
           form "platform: ..."  if available or "platform:
           information not available" otherwise.

           The "OPENSSLDIR" setting of the library build in the
           form "OPENSSLDIR: "...""  if available or "OPENSSLDIR:
           N/A" otherwise.

       For an unknown t, the text "not available" is returned.

RETURN VALUE    [Toc]    [Back]

       The version number.

SEE ALSO    [Toc]    [Back]


HISTORY    [Toc]    [Back]

       SSLeay() and SSLEAY_VERSION_NUMBER are available in all
       versions of SSLeay and OpenSSL.  OPENSSL_VERSION_NUMBER is
       available in all versions of OpenSSL.  SSLEAY_DIR was
       added in OpenSSL 0.9.7.

OpenBSD 3.6                 2002-05-14                          2
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