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cfsetospeed() -- termios Macro (termios.h) Set terminal output speed #include <termios.h> int cfsetospeed(tty, speed) termios *tty; int speed; Macro cfsetospeed() sets the output speed of the terminal device. tty gives the address of a structure of type termios. It must have been initialized by a call to the termios routine tcgetattr(). speed gives the speed to which the terminal device should be set. It must be one of the following constants: B50 50 baud B75 75 baud B110 110 baud B134 134.5 baud B150 150 baud B200 200 baud B300 300 baud B600 600 baud B1200 1200 baud B1800 1800 baud B2400 2400 baud B4800 4800 baud B9600 9600 baud B19200 19200 baud B38400 38400 baud You must call routine tcsetattr() for tty before this change can take effect. See Also termios POSIX Standard, §7.1.3