NAME

       SSLeay_version - retrieve version/build information about OpenSSL library

SYNOPSIS

        #include <openssl/crypto.h>

        const char *SSLeay_version(int type);

DESCRIPTION

       SSLeay_version() returns a pointer to a constant string describing the version of the OpenSSL library or
       giving information about the library build.

       The following type values are supported:

       SSLEAY_VERSION
           The version of the OpenSSL library including the release date.

       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.

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

RETURN VALUES

       The following return values can occur:

       "not available"
           An invalid value for type was given.

       Pointer to constant string
           Textual description.

SEE ALSO

       crypto(3)

HISTORY

       SSLEAY_DIR was added in OpenSSL 0.9.7.