int fclose_nointr(FILE *f);
FILE* safe_fclose(FILE *f);
-DIR* safe_closedir(DIR *f);
+// UNNEEDED DIR* safe_closedir(DIR *f);
static inline void closep(int *fd) {
safe_close(*fd);
int close_all_fds(const int except[], unsigned n_except);
-int same_fd(int a, int b);
+// UNNEEDED int same_fd(int a, int b);
-void cmsg_close_all(struct msghdr *mh);
+// UNNEEDED void cmsg_close_all(struct msghdr *mh);
-bool fdname_is_valid(const char *s);
+// UNNEEDED bool fdname_is_valid(const char *s);