int conf_files_list(char ***strv, const char *suffix, const char *root, const char *dir, ...);
int conf_files_list_strv(char ***strv, const char *suffix, const char *root, const char* const* dirs);
int conf_files_list_nulstr(char ***strv, const char *suffix, const char *root, const char *dirs);
int conf_files_list(char ***strv, const char *suffix, const char *root, const char *dir, ...);
int conf_files_list_strv(char ***strv, const char *suffix, const char *root, const char* const* dirs);
int conf_files_list_nulstr(char ***strv, const char *suffix, const char *root, const char *dirs);