HTTP and Web Browsing: Retrieving HTTP Pages
Here is an example of interacting with an HTTP server to retrieve a web page from a system on the network. This shows how easy it is to post information to HTML forms. Forms are covered in more depth in Chapter 26, and you can peek ahead if you want.
HTML forms allow you to type some information in your browser, which is sent back to the server for processing. The information may be encoded as part of the URL, or sent separately in name/value pairs.
The Yahoo site is a wide-ranging access portal. They offer online stock quotes that you can read in your browser. I happen to know (by looking at the URL field of my browser) that a request for a stock quote for ABCD is translated to a socket connection ...
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