+# if OPENSSL_API_COMPAT < 0x10100000L
+# define OPENSSL_add_all_algorithms_conf() \
+ OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS \
+ | OPENSSL_INIT_ADD_ALL_DIGESTS \
+ | OPENSSL_INIT_LOAD_CONFIG, NULL)
+# define OPENSSL_add_all_algorithms_noconf() \
+ OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS \
+ | OPENSSL_INIT_ADD_ALL_DIGESTS, NULL)
+
+# ifdef OPENSSL_LOAD_CONF
+# define OpenSSL_add_all_algorithms() \
+ OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS \
+ | OPENSSL_INIT_ADD_ALL_DIGESTS \
+ | OPENSSL_INIT_LOAD_CONFIG, NULL)
+# else
+# define OpenSSL_add_all_algorithms() \
+ OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS \
+ | OPENSSL_INIT_ADD_ALL_DIGESTS, NULL)
+# endif