diff --git a/src/cmd/cc/cc.h b/src/cmd/cc/cc.h
index a1168fc8b5c..a6f3384383b 100644
--- a/src/cmd/cc/cc.h
+++ b/src/cmd/cc/cc.h
@@ -39,6 +39,9 @@
 #define EXTERN	extern
 #endif
 
+#define	getc	ccgetc
+#define	ungetc	ccungetc
+
 typedef	struct	Node	Node;
 typedef	struct	Sym	Sym;
 typedef	struct	Type	Type;
diff --git a/src/cmd/gc/go.h b/src/cmd/gc/go.h
index bb11f4c92ba..ee863decbb3 100644
--- a/src/cmd/gc/go.h
+++ b/src/cmd/gc/go.h
@@ -13,6 +13,11 @@
 #ifndef	EXTERN
 #define	EXTERN	extern
 #endif
+
+
+#define	getc	gcgetc
+#define	ungetc	gcungetc
+
 enum
 {
 	NHUNK		= 50000,