+#if defined(HAVE_DECL_CLEARERR_UNLOCKED) && !HAVE_DECL_CLEARERR_UNLOCKED
+# define clearerr_unlocked(x) clearerr (x)
+#endif
+#if defined(HAVE_DECL_FEOF_UNLOCKED) && !HAVE_DECL_FEOF_UNLOCKED
+# define feof_unlocked(x) feof (x)
+# endif
+#if defined(HAVE_DECL_FERROR_UNLOCKED) && !HAVE_DECL_FERROR_UNLOCKED
+# define ferror_unlocked(x) ferror (x)
+# endif
+#if defined(HAVE_DECL_FFLUSH_UNLOCKED) && !HAVE_DECL_FFLUSH_UNLOCKED
+# define fflush_unlocked(x) fflush (x)
+# endif
+#if defined(HAVE_DECL_FGETS_UNLOCKED) && !HAVE_DECL_FGETS_UNLOCKED
+# define fgets_unlocked(x,y,z) fgets (x,y,z)
+# endif
+#if defined(HAVE_DECL_FPUTC_UNLOCKED) && !HAVE_DECL_FPUTC_UNLOCKED
+# define fputc_unlocked(x,y) fputc (x,y)
+# endif
+#if defined(HAVE_DECL_FPUTS_UNLOCKED) && !HAVE_DECL_FPUTS_UNLOCKED
+# define fputs_unlocked(x,y) fputs (x,y)
+# endif
+#if defined(HAVE_DECL_FREAD_UNLOCKED) && !HAVE_DECL_FREAD_UNLOCKED
+# define fread_unlocked(w,x,y,z) fread (w,x,y,z)
+# endif
+#if defined(HAVE_DECL_FWRITE_UNLOCKED) && !HAVE_DECL_FWRITE_UNLOCKED
+# define fwrite_unlocked(w,x,y,z) fwrite (w,x,y,z)
+# endif
+#if defined(HAVE_DECL_GETC_UNLOCKED) && !HAVE_DECL_GETC_UNLOCKED
+# define getc_unlocked(x) getc (x)
+# endif
+#if defined(HAVE_DECL_GETCHAR_UNLOCKED) && !HAVE_DECL_GETCHAR_UNLOCKED
+# define getchar_unlocked() getchar ()
+# endif
+#if defined(HAVE_DECL_PUTC_UNLOCKED) && !HAVE_DECL_PUTC_UNLOCKED
+# define putc_unlocked(x,y) putc (x,y)
+# endif
+#if defined(HAVE_DECL_PUTCHAR_UNLOCKED) && !HAVE_DECL_PUTCHAR_UNLOCKED
+# define putchar_unlocked(x) putchar (x)
+# endif
+
+/* GNULIB makes sure both program_invocation_name and
+ program_invocation_short_name are available */
+#ifdef GNULIB_PROGRAM_INVOCATION_NAME
+extern char *program_invocation_name;
+# undef HAVE_DECL_PROGRAM_INVOCATION_NAME
+# define HAVE_DECL_PROGRAM_INVOCATION_NAME 1
+#endif
+
+#ifdef GNULIB_PROGRAM_INVOCATION_SHORT_NAME
+extern char *program_invocation_short_name;
+# undef HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME
+# define HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME 1
+#endif
+