+int numknown;
+
+struct cmdtab {
+ char *c_name; /* command name */
+ int (*c_refresh)(); /* display refresh */
+ int (*c_fetch)(); /* sets up data structures */
+ int (*c_label)(); /* label display */
+ int (*c_init)(); /* initialize namelist, etc. */
+ WINDOW *(*c_open)(); /* open display */
+ int (*c_close)(); /* close display */
+ int (*c_cmd)(); /* display command interpreter */
+ char c_flags; /* see below */
+};