insert node: void insertNodeAtTail(LIST*alist, int key) { //find the last node, return its pointer

last node; // create new node using the key; new node; new node->key = keyvalue; newnode->next=NULL;

lastnode->next=newnode; } list : Stack - LIFO

typedef struct stack; { int count; node * stacktop;

}Stack;

push pop create stack delete stack;