1 files changed, 1 insertions, 1 deletions
diff --git a/userspace/cat.c b/userspace/cat.c
index 688ebcc..800a14b 100644
--- a/userspace/cat.c
+++ b/userspace/cat.c
@@ -7,7 +7,7 @@ int main()
 
     printf("-- read from stderr byte by byte --\n");
 
-    while(has_data_waiting(2)){
+    while(_poll(2)){
 	fread(&c,1,1,stderr);
 	printf("%c",c);
     }