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IN C Starndard lib, use gets can input string form stdio.
for example, push [backspace] can remove the last char.
But when i use gets(), it keep backspace char (0x0B).
Remember that VC++ documentation will deal with the specific VC++ implementation; you should not assume that what it says is generally applicable to all implementations - especially embedded cross-compiler implementations!
I don't think the VC++ documentation claims such behaviour either, since such behaviour is not part of the C standard and platform-specific behaviour should only be introduced when the platform so needs.
I can't find anything in my VC++ documentation.
But as I did mention - when the sending side handles the data line-by-line instead of character-by-character, it can process the backspace character so you may see this behaviour in a test program even if it isn't gets()/fgets() that is doing the backspace processing.