+#define GC_INIT(cc, k, sz) (cc)->init((k), (sz))
+#define GC_CLASS(cc) (cc)->ops->c
+#define GC_ENCRYPT(c, s, t, sz) (c)->ops->encrypt((c), (s), (t), (sz))
+#define GC_DECRYPT(c, s, t, sz) (c)->ops->decrypt((c), (s), (t), (sz))
+#define GC_DESTROY(c) (c)->ops->destroy((c))
+#define GC_SETIV(c, iv) (c)->ops->setiv((c), (iv))
+#define GC_BDRY(c) (c)->ops->bdry((c))
+
+/*----- Tables ------------------------------------------------------------*/
+
+extern const gccipher *const gciphertab[];
+
+/* --- @gcipher_byname@ --- *
+ *
+ * Arguments: @const char *p@ = pointer to name string
+ *
+ * Returns: The named cipher class, or null.
+ */
+
+extern const gccipher *gcipher_byname(const char */*p*/);
+