NAME

/dev/term/ser − internal serial port device

SYNOPSIS

int fd;
fd = open("/dev/term/ser", mode);

DESCRIPTION

/dev/term/ser is special files which, when opened, give access to a the internal serial
 device.  This device is a tty device as described in termios(7), and may be used to communicate with any RS232 standard device.  It is also a streams device and is suitable for streams functions described in streamio(7).

The ser device driver handles XON/XOFF if requested and will always adhere to CTS/RTS flow control. 

CAVEATS

The current ser device does not handle termiox(7) ioctls. 

If the device is closed while there is pending output and CTS is low (ie, the remote side pulls RTS low or the cable is unplugged) the device will wait until it is able to complete the data transfer before returning from the close call. 

FILES

/dev/term/ser - special file for accessing the internal serial device

SEE ALSO

open(2), close(2), ioctl(2), read(2), write(2), termios(7), streamio(7), termiox(7), ql(7A)
 

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