New Programs

SinglyLinkedList.c

@@ -0,0 +1,54 @@
+// WAP to implement singly linked lists
+
+#include<stdio.h>
+#include <stdlib.h>
+
+struct node {
+    int data;
+   struct node *next;
+};
+
+struct node *head = NULL;
+struct node *current = NULL;
+
+//display the list
+void printList() {
+
+    struct node *ptr = head;
+
+    printf("\n[head] =>");
+    //start from the beginning
+    while(ptr != NULL) {        
+        printf(" %d =>",ptr->data);
+        ptr = ptr->next;
+    }
+
+    printf(" [null]\n");
+}
+
+//insert link at the first location
+void insert(int data) {
+    //create a link
+    struct node *link = (struct node*) malloc(sizeof(struct node));
+
+    //link->key = key;
+    link->data = data;
+
+    //point it to old first node
+    link->next = head;
+
+    //point first to new first node
+    head = link;
+}
+
+int main() {
+    insert(10);
+    insert(20);
+    insert(30);
+    insert(1);
+    insert(40);
+    insert(56); 
+
+    printList();
+    return 0;
+}