feat: tuck and clearstack commands

1 files changed, 4 insertions, 0 deletions

diff --git a/stack.c b/stack.c
index e1f0281..0fe7235 100644
--- a/stack.c
+++ b/stack.c
@@ -77,3 +77,7 @@ void stack_pick(stack *s) {
         stack_push(s, 0);
     }
 }
+
+void stack_clear(stack* s) {
+    s->size = 0;
+}