OPENSSL_VERSION_NUMBER(3)

     OPENSSL_VERSION_NUMBER(0.9.6h (2002-01-0OPENSSL_VERSION_NUMBER(3)

     NAME
          OPENSSL_VERSION_NUMBER, SSLeay, SSLeay_version - get OpenSSL
          version number

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

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

     DESCRIPTION
          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
          0x0090581f.

          For backward compatibility, SSLEAY_VERSION_NUMBER is also
          defined.

          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:

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     OPENSSL_VERSION_NUMBER(0.9.6h (2002-01-0OPENSSL_VERSION_NUMBER(3)

          SSLEAY_VERSION
              The text variant of the version number and the release
              date.  For example, "OpenSSL 0.9.5a 1 Apr 2000".

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

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

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

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

     RETURN VALUE
          The version number.

     SEE ALSO
          crypto(3)

     HISTORY
          SSLeay() and SSLEAY_VERSION_NUMBER are available in all
          versions of SSLeay and OpenSSL.  OPENSSL_VERSION_NUMBER is
          available in all versions of OpenSSL.

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