Files
libgphoto2/camlibs/ptp

This is libptp2!

This library is under developement yet.

Attached example program allows downloading pictures from camera.
To build download  and instal libusb (libusb.sf.net), then type:
make

After proper building you can use example program as follows:
./dx3500 vendorID ProductID

To obtain vendorID and ProductID read your dmesg.
For example:

# dmesg
(...)
Product: KODAK DX3500 Digital Camera
usb.c: unhandled interfaces on device
usb.c: USB device 65 (vend/prod 0x40a/0x500) is not claimed by any active driver

vendorID=0x40a, productID=0x500;

Enjoy!