how do we read the memory at a particular address of a particular device. for example if i have floppy and usb plugged into my system and i want to read the information present at a particular address in usb then how i will do this???

http://www.lvr.com/usb.htm
Whilst old devices like the serial port existed at specific addresses in the I/O address space of the X86, USB is a much more complicated thing.

Oh, and if you're using some fossil compiler like Turbo C (like I guess you are), then you also need to update this as well.

no i am using visual studio 2005.

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