#define SPLICE_F_MORE 4
#define SPLICE_F_GIFT 8
int fallocate(int, int, off_t, off_t);
-#define fallocate64 fallocate
int name_to_handle_at(int, const char *, struct file_handle *, int *, int);
int open_by_handle_at(int, struct file_handle *, int);
ssize_t readahead(int, off_t, size_t);
#define posix_fadvise64 posix_fadvise
#define posix_fallocate64 posix_fallocate
#define off64_t off_t
+#if defined(_GNU_SOURCE)
+#define fallocate64 fallocate
+#endif
#endif
#ifdef __cplusplus