Today's changes.
More changes.
diff --git a/src/lib9/mallocz.c b/src/lib9/mallocz.c
index c631300..a3e9151 100644
--- a/src/lib9/mallocz.c
+++ b/src/lib9/mallocz.c
@@ -1,6 +1,7 @@
+#include <u.h>
 #include <unistd.h>
 #include <string.h>
-#include <lib9.h>
+#include <libc.h>
 
 void*
 mallocz(unsigned long n, int clr)