diff --git a/ORCACDefs/stdio.h b/ORCACDefs/stdio.h
index 5115fa4..6b54627 100644
--- a/ORCACDefs/stdio.h
+++ b/ORCACDefs/stdio.h
@@ -85,6 +85,9 @@ typedef struct __file {
 extern FILE *stderr;                    /* standard I/O files */
 extern FILE *stdin;
 extern FILE *stdout;
+#define stderr          stderr
+#define stdin           stdin
+#define stdout          stdout
 
 #define L_tmpnam        26              /* size of a temp name */
 #define TMP_MAX         10000           /* # of unique temp names */