title: C (File Handling)
body: <p>I have created a structure of patients' names in a hospital (in a file in .dat format)</p>
  
  <p>The questions are:
  1.So, when I want to delete the name of the patient already stored,how should I manage a code for that?</p>
  
  <p>2.When I want to change the name of patient stored in the structure, how should I do that?</p>