/* Retrieve information about a FILE stream.
- Copyright (C) 2007-2010 Free Software Foundation, Inc.
+ Copyright (C) 2007-2016 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
STREAM must not be wide-character oriented. */
-#if HAVE___FREADING && (!defined __GLIBC__ || __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
-/* Solaris >= 7, not glibc >= 2.2, but glibc >= 2.7 */
+#if HAVE___FREADING && (!defined __GLIBC__ || defined __UCLIBC__ || __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
+/* Solaris >= 7, not glibc >= 2.2, but glibc >= 2.7, or musl libc */
# include <stdio_ext.h>
# define freading(stream) (__freading (stream) != 0)
extern "C" {
# endif
-extern bool freading (FILE *stream);
+extern bool freading (FILE *stream) _GL_ATTRIBUTE_PURE;
# ifdef __cplusplus
}