Loading JPG images from memory

[David Emory Watson <dwatson cs ucr edu>]

I am trying to create a pixbuf from a jpg file stored in memory.  If I
am reading the gtk-pixbuf documentation correctly, this is currently not
supported.  Is this possible with gtk-pixbuf from cvs, libjpeg, or will
I have to resort to saving the file to disk?  Any pointers would be
appreciated as I've just about exhausted google....