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Can you peek into the stdin/stdout buffers using ANSI C? ftell() and fgetpos() don't work, but I really can't see why they wouldn't. I've dumped the __sFILE structure for each, but none of the elements change. Is there a non-ANSI C way of doing it? All I want to do is see if any characters have been received before calling fread(). I don't want fread() to hang the CPU while waiting for characters. -tim