diff --git a/newlib/libc/sys.tex b/newlib/libc/sys.tex
index 1b3cc32f4..a88b09816 100644
--- a/newlib/libc/sys.tex
+++ b/newlib/libc/sys.tex
@@ -310,18 +310,26 @@ library, and achieve reentrancy by using a reserved global data block
 * _close_r::	Reentrant version of close
 * _execve_r::	Reentrant version of execve
 * _fork_r::	Reentrant version of fork
+@ifset STDIO64
 * _fstat64_r::	Reentrant version of fstat64
+@end ifset
 * _fstat_r::	Reentrant version of fstat
 * _getpid_r::	Reentrant version of getpid
 * _kill_r::	Reentrant version of kill
 * _link_r::	Reentrant version of link
+@ifset STDIO64
 * _lseek64_r::	Reentrant version of lseek64
+@end ifset
 * _lseek_r::	Reentrant version of lseek
+@ifset STDIO64
 * _open64_r::	Reentrant version of open64
+@end ifset
 * _open_r::	Reentrant version of open
 * _read_r::	Reentrant version of read
 * _sbrk_r::	Reentrant version of sbrk
+@ifset STDIO64
 * _stat64_r::	Reentrant version of stat64
+@end ifset
 * _stat_r::	Reentrant version of stat
 * _times_r::	Reentrant version of times
 * _unlink_r::	Reentrant version of unlink