ref: c89dad0b9258f32ee3365400d5d4f4920aaa3f77
dir: /rc/bin/rc-httpd/handlers/static-or-cgi/
#!/bin/rc
cgiargs=$*
fn error{
	if(~ $1 404)
		exec cgi $cgiargs
	if not
		$rc_httpd_dir/handlers/error $1
}
if(~ $location */)
	exec cgi $cgiargs
if not
	exec serve-static