-void load_command_list(const char *prefix,
- struct cmdnames *main_cmds,
- struct cmdnames *other_cmds);
-void add_cmdname(struct cmdnames *cmds, const char *name, int len);
+extern void list_common_cmds_help(void);
+extern const char *help_unknown_cmd(const char *cmd);
+extern void load_command_list(const char *prefix,
+ struct cmdnames *main_cmds,
+ struct cmdnames *other_cmds);
+extern void add_cmdname(struct cmdnames *cmds, const char *name, int len);