to remove pedantic compiler warnings

warning

go weird, had to remove this. I should use trio soon for all the *printf()
stuff as this is too broken

since it has to survive http struct deletion

to return different sizes

"hang", it now results in an error instead

requests

(and the password entered interactively). This fix also includes proper
URL-decoding of the user name and password if specified in the URL.

function prototype is missting

switch should work under most unixes (requires sigaction())

disable passwd-echoing on win32 (supplied by Bjrn Stenberg)