1 files changed, 1 insertions, 1 deletions

diff --git a/user1.c b/user1.c
index bbe6f5b..267320e 100644
--- a/user1.c
+++ b/user1.c
@@ -3,7 +3,7 @@
 char buf[32];
 
 int
-main()
+main(void)
 {
   int pid, fds[2], n;