diff --git a/targets/_any/stdlib/include/stdio.h b/targets/_any/stdlib/include/stdio.h
index 75e1dc1..2428723 100644
--- a/targets/_any/stdlib/include/stdio.h
+++ b/targets/_any/stdlib/include/stdio.h
@@ -8,12 +8,16 @@
 #include <stddef.h>
 #include "./detail/common.h"
 
+#define stdout __stdout
+#define stderr __stderr
 #define stdin __stdin
 
 BA_EXTERN_C_BEGIN
 
 typedef struct __file FILE;
 
+extern FILE* __stdout;
+extern FILE* __stderr;
 extern FILE* __stdin;
 
 static int EOF = -1;