in source tree: netwerk/protocol/http/src/README<br>

online:<br><br>
http://www.mozilla.org/projects/netlib/http/class-overview.html<br>
http://www.mozilla.org/docs/url_load.html<br>
http://www.mozilla.org/catalog/libraries/network/<br>

<p>
google the source: http://unstable.elemental.com/mozilla/build/latest/mozilla/
or http://linux.imp.mx/cvs-tmp/rpms/SOURCES/mozilla/
<br>
http://lxr.mozilla.org/seamonkey/source/

<p>

in netwerk/base/src/nsIOService.cpp

nsIOService::NewChannelFromURI  calls nsIOService::GetProtocolHandler
to get the nsIProtocolHandler.
the nsIProtocolHandler returns a nsIChannel from nsIProtocolHandler::NewChannel.

protocol handlers are registered with [?] via 'contractid' "@mozilla.org/network/protocol;1?name="+scheme

in ./netwerk/build/nsNetModule.cpp oa. the http module is registered
in the variable gNetModuleInfo.