+/* stdio.h */
+#ifndef HAVE_ASPRINTF
+int asprintf (char **, const char *, ...);
+#endif
+
+#ifndef HAVE_FLOCKFILE
+void flockfile (FILE *);
+int ftrylockfile (FILE *);
+void funlockfile (FILE *);
+int getc_unlocked (FILE *);
+int getchar_unlocked (void);
+int putc_unlocked (int, FILE *);
+int putchar_unlocked (int);
+#endif
+
+#ifndef HAVE_GETDELIM
+ssize_t getdelim (char **, size_t *, int, FILE *);
+ssize_t getline (char **, size_t *, FILE *);
+#endif
+
+#ifndef HAVE_REWIND
+void rewind (FILE *);