+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define S_IREAD S_IRUSR
+#define S_IWRITE S_IWUSR
+#define S_IEXEC S_IXUSR
+#endif
+
+#ifdef _LARGEFILE64_SOURCE
+#define stat64 stat
+#define fstat64 fstat
+#define lstat64 lstat
+#define fstatat64 fstatat
+#define blksize64_t blksize_t
+#define blkcnt64_t blkcnt_t
+#define ino64_t ino_t
+#define off64_t off_t
+#endif
+