=item OPENSSL_INIT_ENGINE_RDRAND
With this option the library will automatically load and initialise the
-RDRAND engine (if available). This not a default option.
+RDRAND engine (if available). This not a default option and is deprecated
+in OpenSSL 3.0.
=item OPENSSL_INIT_ENGINE_DYNAMIC
With this option the library will automatically load and initialise the
-dynamic engine. This not a default option.
+dynamic engine. This not a default option and is deprecated
+in OpenSSL 3.0.
=item OPENSSL_INIT_ENGINE_OPENSSL
With this option the library will automatically load and initialise the
-openssl engine. This not a default option.
+openssl engine. This not a default option and is deprecated
+in OpenSSL 3.0.
=item OPENSSL_INIT_ENGINE_CRYPTODEV
With this option the library will automatically load and initialise the
-cryptodev engine (if available). This not a default option.
+cryptodev engine (if available). This not a default option and is deprecated
+in OpenSSL 3.0.
=item OPENSSL_INIT_ENGINE_CAPI
With this option the library will automatically load and initialise the
-CAPI engine (if available). This not a default option.
+CAPI engine (if available). This not a default option and is deprecated
+in OpenSSL 3.0.
=item OPENSSL_INIT_ENGINE_PADLOCK
With this option the library will automatically load and initialise the
-padlock engine (if available). This not a default option.
+padlock engine (if available). This not a default option and is deprecated
+in OpenSSL 3.0.
=item OPENSSL_INIT_ENGINE_AFALG
With this option the library will automatically load and initialise the
-AFALG engine. This not a default option.
+AFALG engine. This not a default option and is deprecated
+in OpenSSL 3.0.
=item OPENSSL_INIT_ENGINE_ALL_BUILTIN
With this option the library will automatically load and initialise all the
built in engines listed above with the exception of the openssl and afalg
-engines. This not a default option.
+engines. This not a default option and is deprecated
+in OpenSSL 3.0.
=item OPENSSL_INIT_ATFORK