Add more code

Add some funcitons to work with variables, add more instructions and add
ability to stop the code from `ccl_instruction`

1 files changed, 12 insertions, 0 deletions

diff --git a/include/stack.h b/include/stack.h
index 27cc2f0..ac17ed3 100644
--- a/include/stack.h
+++ b/include/stack.h
@@ -3,7 +3,19 @@
 
 #include "3cl.h"
 
+
+/**
+ * Push num to the stack
+ * @param stack Stack where to push
+ * @param num Number to push
+ */
 void ccl_stack_push(struct CCLStack *stack, CCLNum num);
+
+/**
+ * Pop number from the stack
+ * @param stack Stack from where to pop
+ * @return Popped number
+ */
 CCLNum ccl_stack_pop(struct CCLStack *stack);
 
 #endif /* __CCL_STACK_H__ */