Is there a way to get the complete path for the .conf file in use as an argument/variable while autoexec section is running?

Is there a way to mount a CD image from a virtual drive? IE: Mounting a HDD image as C Then mounting a CD image located on the mounted C drive

I'm wondering if there is a way to get the path (location) of the current configuration file as a variable? This would be very helpfull when mounting images and making the configuration more portable; IE; When mounting a image i have to specify the full path to the image imgmount D "C:\DOSGAMES\ …