+void IDEA_encrypt(unsigned long *in, IDEA_KEY_SCHEDULE *ks);
+
+# if OPENSSL_API_COMPAT < 0x00101000L
+# define idea_options IDEA_options
+# define idea_ecb_encrypt IDEA_ecb_encrypt
+# define idea_set_encrypt_key IDEA_set_encrypt_key
+# define idea_set_decrypt_key IDEA_set_decrypt_key
+# define idea_cbc_encrypt IDEA_cbc_encrypt
+# define idea_cfb64_encrypt IDEA_cfb64_encrypt
+# define idea_ofb64_encrypt IDEA_ofb64_encrypt
+# define idea_encrypt IDEA_encrypt
+# endif
+