Add files via upload

Author: fzehracetin

main.c

@@ -0,0 +1,84 @@
+#include <stdio.h>
+#include <stdlib.h>
+#define MAX 100
+
+typedef struct {
+ int top;
+ int Stack[MAX];
+}stack;
+
+void initStack(stack *s){
+ s->top = 0;
+}
+
+int isFull (stack *s) {
+ if (s->top == MAX) 
+ return 1;
+ else
+ return 0;
+}
+
+int isEmpty (stack *s) {
+ if (s->top == 0) 
+ return 1;
+ else
+ return 0;
+}
+
+int pop (stack *s, int *x) {
+ if (isEmpty(s))
+ return 0;
+ else {
+ *x = s->Stack[--s->top];
+ return 1;
+ }
+}
+
+int push (stack *s, int x) {
+ if (isFull(s)) 
+ return 0;
+ else {
+ s->Stack[s->top++] = x;
+ return 1;
+ }
+}
+
+int peek (stack *s, int *x) {
+ if (isEmpty(s))
+ return 0;
+ else {
+ int peaky = s->top - 1;
+ *x = s->Stack[peaky];
+ return 1;
+ }
+}
+
+void printStack(stack *s) {
+ if (isEmpty(s))
+ return;
+ else {
+ int i = s->top-1;
+ while( i >= 0) {
+ printf("%d ", s->Stack[i]);
+ i--;
+ } printf("\n");
+ }
+}
+
+int main(int argc, char **argv)
+{
+ stack s;
+ int x;
+ initStack(&s);
+ push(&s, 5);
+ push(&s, 7);
+ push(&s, 15);
+ printStack(&s);
+ pop(&s, &x);
+ printf("poped value = %d \n", x);
+ printStack(&s);
+ peek(&s, &x);
+ printf("peeked value = %d\n", x);
+ printStack(&s);
+return 0;
+}