title: How to call a CGI function on HTML button click
body: <p>I have an HTML form. I have a Submit button which calls a CGI script(function), defined and declared in a C file.</p>
  
  <p>Similarly, I want to call a "save function"(CGI script) on save button click.
  So, my question is how can I call a CGI script on button click on HTML form.</p>
  
  <p>I am a newbie to HTML and CGI, but need to implement this. </p>