assignment problem 2

assignment1/problem2/stack.h

@@ -0,0 +1,47 @@
+/*
+ * Author: Walter
+ * Student ID: 1930006025
+ * Assignment_1_problem_2
+ * allow to create empty stack
+ */
+
+#ifndef MY_STACK
+#define MY_STACK
+
+#include <stdbool.h>
+
+/* struct for stack */
+typedef struct Stack_str {
+	/* the size of stack */
+	int size;
+	/* top index, empty is -1 */
+	int top;
+	/* data */
+	char *data;
+} Stack;
+
+/* create an stack with size */
+bool CreateStack(Stack *stack, int size);
+
+/* check a stack whether it contains data */
+bool IsEmpty(Stack *stack);
+
+/* check full of stack */
+bool IsFull(Stack *stack);
+
+/* get the top value of a stack */
+bool Top(Stack *stack, char *x);
+
+/* add a value to stack */
+bool Push(Stack *stack, char x);
+
+/* delete a value from stack */
+bool Pop(Stack *stack, char *x);
+
+/* print the stack */
+void DisplayStack(Stack *stack);
+
+/* delete a stack */
+void DestroyStack(Stack *stack);
+
+#endif