struct cmd_list_element *
add_abbrev_prefix_cmd (const char *name, enum command_class theclass,
- cmd_cfunc_ftype *fun, const char *doc,
+ cmd_const_cfunc_ftype *fun, const char *doc,
struct cmd_list_element **prefixlist,
const char *prefixname,
int allow_unknown, struct cmd_list_element **list)