#define SYS_filesize 7 /* Obtains a file's size. */
#define SYS_read 8 /* Reads from a file. */
#define SYS_write 9 /* Writes to a file. */
-#define SYS_close 10 /* Closes a file. */
-#define SYS_mmap 12 /* Maps a file into memory. */
-#define SYS_munmap 13 /* Removes a memory mapping. */
-#define SYS_chdir 14 /* Changes the current directory. */
-#define SYS_mkdir 15 /* Create a directory. */
-#define SYS_lsdir 16 /* Lists the current directory to stdout. */
-
-/* Predefined file handles. */
-#define STDIN_FILENO 0
-#define STDOUT_FILENO 1
+#define SYS_seek 10 /* Change position in a file. */
+#define SYS_tell 11 /* Report current position in a file. */
+#define SYS_close 12 /* Closes a file. */
+#define SYS_mmap 13 /* Maps a file into memory. */
+#define SYS_munmap 14 /* Removes a memory mapping. */
+#define SYS_chdir 15 /* Changes the current directory. */
+#define SYS_mkdir 16 /* Create a directory. */
+#define SYS_lsdir 17 /* Lists the current directory to stdout. */
#endif /* lib/syscall-nr.h */