1 files changed, 11 insertions, 0 deletions
diff --git a/include/06.keyboard/keyboard10.c b/include/06.keyboard/keyboard10.c
new file mode 100644
index 0000000..5c6d048
--- /dev/null
+++ b/include/06.keyboard/keyboard10.c
@@ -0,0 +1,11 @@
+void keyup()
+{
+    if(buffer_current>0)
+    {
+	buffer_size[buffer_current]=buffer_index;
+	for(size_t i=0;i<buffer_index;i++) deletelast();
+	buffer_current--;
+	buffer_index=buffer_size[buffer_current];
+	printf("%s",buffer[buffer_current]);
+    }
+}