char *ascii_strlower(char *path);
+bool dirent_is_file(struct dirent *de);
bool ignore_file(const char *filename);
bool chars_intersect(const char *a, const char *b);
int rm_rf(const char *path, bool only_dirs, bool delete_root);
+int pipe_eof(int fd);
+
cpu_set_t* cpu_set_malloc(unsigned *ncpus);
void status_vprintf(const char *format, va_list ap);