rl_compentry_func_t
rl_compentry_func_t *rl_completion_entry_function = NULL;
(rl_compentry_func_t *)rl_completion_entry_function,
rl_completion_matches(const char *str, rl_compentry_func_t *fun)
extern rl_compentry_func_t *rl_completion_entry_function;
char **completion_matches(/* const */ char *, rl_compentry_func_t *);
char **rl_completion_matches(const char *, rl_compentry_func_t *);