Create Stack_Using_Linked_List_Implementation.c

Stack/Stack_Using_Linked_List_Implementation.c

@@ -0,0 +1,81 @@
+#include <stdio.h>
+#include <stdlib.h>
+struct node *push(struct node*);
+struct node *pop(struct node *);
+void peek(struct node *);
+void display(struct node *);
+struct node{
+    int data;
+    struct node *next;
+};
+
+int main(){
+    struct node* top=0;
+    int choice;
+    printf("Press 1 for Push\nPress 2 for Pop\nPress 3 for Display\nPress 4 for Peek\nPress 5 for Exit\n");
+    do{
+        printf("\nEnter your choice: ");
+        scanf("%d",&choice);
+        switch(choice){
+            case 1: top=push(top);
+            break;
+
+            case 2: if(top==0){
+                printf("Stack is Empty");
+                break;
+            }
+            else{
+                top=pop(top);
+                break;
+            }
+
+            case 3: if(top==0){
+                printf("Stack is Empty");
+                break;
+            }
+            else{
+                display(top);
+                break;
+            }
+
+            case 4: if(top==0){
+                printf("Stack is Empty");
+                break;
+            }
+            else{
+                peek(top);
+                break;
+            }
+
+            case 5: break;
+            default: printf("You have entered wrong choice");
+        }
+    }while(choice!=5);
+}
+struct node *push(struct node* top){
+    struct node *newnode;
+    newnode=(struct node*)malloc(sizeof(struct node));
+    printf("Enter the data: ");
+    scanf("%d",&newnode->data);
+    newnode->next=top;
+    top=newnode;
+    return top;
+}
+struct node *pop(struct node *top){
+    struct node *temp=top;
+    printf("The popped element is %d",top->data);
+    top=top->next;
+    free(temp);
+    return top;
+}
+void display(struct node *top){
+    struct node *temp=top;
+    printf("The elements in the stack are: ");
+    while(temp!=0){
+        printf("%d ",temp->data);
+        temp=temp->next;
+    }
+}
+void peek(struct node *top){
+    printf("The element at the top is %d",top->data);
+}