1 files changed, 1 insertions, 1 deletions
diff --git a/4/7.c b/4/7.c
index 7d3ccad..9ddc2bb 100644
--- a/4/7.c
+++ b/4/7.c
@@ -170,7 +170,7 @@ void ungets(char s[]) {
   if (bufp + len - 1 >= BUFSIZE)
     printf("ungets: too many characters\n");
   else {
-    for (i = 0; i < len; i++)
+    for (i = len; i >= 0; i--)
       buf[bufp++] = s[i];
   }
 }