Ethereal-users: [Ethereal-users] How can I analyse browser http header?

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From: Mike Zang <mikezang@xxxxxxxxx>
Date: Thu, 22 Dec 2005 13:54:29 +0900 (JST)
I have a account in domains.yahoo.com, I can login and modify my
information by browser.

Now I want to make c program on FC4 to do the same thing, so I tried to
analyse http header when I use browser to maintenance my account.

How can I analyse the http header? is this program can do the same thing as
browser?