-static const ghash_ops gops = { &pre.b, ghhash, ghdone, ghdestroy }; \
-const gchash pre = { { #pre, PRE##_HASHSZ }, ghinit };
+static const ghash_ops gops = \
+ { &pre, ghhash, ghdone, ghdestroy, ghcopy }; \
+const gchash pre = { #pre, PRE##_HASHSZ, ghinit, PRE##_BUFSZ };