__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif
__BEGIN_DECLS
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
+#if 0
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
+#endif
#endif