diff --git a/lang/cem/libcc/stdio/data.c b/lang/cem/libcc/stdio/data.c
index bfaafd2b7..e10283f62 100644
--- a/lang/cem/libcc/stdio/data.c
+++ b/lang/cem/libcc/stdio/data.c
@@ -2,15 +2,15 @@
 #include <stdio.h>
 
 struct _io_buf _stdin = {
-	0, 0, IO_READMODE , 0, 0, 0
+	0, IO_READMODE , 0, 0, 0, 0
 };
 
 struct _io_buf _stdout = {
-	1, 0, IO_WRITEMODE, 0, 0, 0
+	0, IO_WRITEMODE, 0, 0, 0, 1
 };
 
 struct _io_buf _stderr = {
-	2, 0, IO_WRITEMODE + IO_UNBUFF, 0, 0, 0
+	0, IO_WRITEMODE + IO_UNBUFF, 0, 0, 0, 2
 };
 
 struct  _io_buf  *_io_table[_NFILES] = {