STD/DC interface
STD/DC settable
STD/DC cfgetospeed
STD/DC cfsetospeed
STD/DC cfgetispeed
STD/DC cfsetispeed
STD/DC tcgetattr
STD/DC tcsetattr
STD/DC tcsendbreak
STD/DC tcdrain
STD/DC tcflow
STD/DC tcflush
STD/DC tcgetpgrp
STD/DC tcsetpgrp
