use CGI;
use Devel::Symdump;

my $obj = Devel::Symdump->new('CGI');
print $_,$/ for sort $obj->functions;

__END__
CGI::AUTOLOAD
CGI::DESTROY
CGI::XHTML_DTD
CGI::_checked
CGI::_compile
CGI::_make_tag_func
CGI::_reset_globals
CGI::_selected
CGI::_setup_symbols
CGI::add_parameter
CGI::all_parameters
CGI::binmode
CGI::cgi_error
CGI::charset
CGI::compile
CGI::croak
CGI::escape
CGI::expand_tags
CGI::expires
CGI::import
CGI::init
CGI::initialize_globals
CGI::make_attributes
CGI::new
CGI::param
CGI::parse_params
CGI::print
CGI::put
CGI::r
CGI::rearrange
CGI::save_request
CGI::self_or_CGI
CGI::self_or_default
CGI::to_filehandle
CGI::unescape