Vbulletin logout using curl

[solutionprovide]

Hello,

i have come across a problem where i am unable to figure out how to logout out current user using curl.

your help will be appreciable.
thanx.

--------------- Added [DATE]1254647248[/DATE] at [TIME]1254647248[/TIME] ---------------

let me explain a bit i am trying to make a single sign on where i need to logout the vbulletin user using curl.

[solutionprovide]

many people has viewed this thread but i am unable to receive any reply. has anyone tried this. curl from same domain for single sign on applicaiton