Use the stack to save the current values of (XLAST, YLAST) and (XLSTT, YLSTT) and use them with functions later in the DATA step. You store and retrieve these values from the stack with the PUSH and ...

This project implements a Stack using a singly linked list in C. The stack follows the LIFO (Last In, First Out) principle, allowing users to perform operations such as push, pop, peek, and display.