Use gcc -ansi -pedantic in 9c.  Fix many non-C89-isms.
diff --git a/src/cmd/hoc/init.c b/src/cmd/hoc/init.c
index e074532..2727067 100644
--- a/src/cmd/hoc/init.c
+++ b/src/cmd/hoc/init.c
@@ -16,7 +16,7 @@
 	"for",		FOR,
 	"print",	PRINT,
 	"read",		READ,
-	0,		0,
+	0,		0
 };
 
 static struct {		/* Constants */