1 files changed, 4 insertions, 2 deletions
diff --git a/user1.c b/user1.c
index d414699..bbe6f5b 100644
--- a/user1.c
+++ b/user1.c
@@ -1,5 +1,8 @@
+#include "user.h"
+
 char buf[32];
 
+int
 main()
 {
   int pid, fds[2], n;
@@ -15,6 +18,5 @@ main()
     puts(buf);
     puts("\n");
   }
-  while(1)
-    ;
+  for(;;);
 }