title: How to find max element of a doubly linked list?
body: <p>After reading the data from a file in a double-linked list I must determine the maximum of the this data. This topic is new to me so I need some help. This is what i have : </p>
  
  <pre><code>struct node {
    int info;
    node *next, *back;
  };
  node *cap = NULL;
  node *first, *last, *c, *q;
  </code></pre>