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→void io_move(int r, int c)
You must use platform specific and <u>unique non-ASCII</u> values for the keys, and then you must use these specific symbolic names in your definitions.
===void io_move(int '''r''', int '''c''')=== Positions the cursor at row '''r''' and column '''c''', where row 0 is the top row and column 0 is the leftmost column. If either parameter is invalid, your function has undefined results. Your function does not flush any output buffer.
===void io_putch(int c)===