Installing USB Drivers Wireless

History: dell inspiron 2200 1G memory
knoppix v5.1.1 cd live,persistent image,running from USB stick
downloaded linux-2.6.19.1 source,cp /boot/config-2.6.19 ./config
make oldconfig,make bzImage
downloaded linux-headers-2.6.19_2.6.19-10.00 custom_1386(1).deb
installed above

Downloaded various drivers for USB wireless correct for kernel
had to edit rtmp_main.c from get_wireless_stats to get_stats for them to compile
they all show numerous unknown symbols USB
USB_kill_urb
USB_get_dev
USB_register_driver etc

any pointers to what is going on.