extern const OSSL_DISPATCH aes256cfb8_functions[];
extern const OSSL_DISPATCH aes192cfb8_functions[];
extern const OSSL_DISPATCH aes128cfb8_functions[];
+extern const OSSL_DISPATCH aes256ctr_functions[];
+extern const OSSL_DISPATCH aes192ctr_functions[];
+extern const OSSL_DISPATCH aes128ctr_functions[];