% cvs -d:pserver:cvsread@cvs.php.net:/repository co php4
%Zend/% - the Zend Engine
%TSRM/% - the thread-safe resource manager
%main/% - the basics
%ext/% - Extensions
%ext/standard/% - the standard functions
%ext/mysql/%
%ext/imap/%
%ext/hyperwave/%
...
%sapi/% - the Server API
%sapi/apache/%
%sapi/cgi/%
%sapi/isapi/%
...