Grissiom fe603dd379 ymodem: fix examples due to new API 10 éve
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echo.c fe603dd379 ymodem: fix examples due to new API 10 éve
null.c fe603dd379 ymodem: fix examples due to new API 10 éve
tofile.c fe603dd379 ymodem: fix examples due to new API 10 éve