19.2.2 Input settings

`ignbrk'

Ignore break characters. May be negated.

`brkint'

Make breaks cause an interrupt signal. May be negated.

`ignpar'

Ignore characters with parity errors. May be negated.

`parmrk'

Mark parity errors (with a 255-0-character sequence). May be negated.

`inpck'

Enable input parity checking. May be negated.

`istrip'

Clear high (8th) bit of input characters. May be negated.

`inlcr'

Translate newline to carriage return. May be negated.

`igncr'

Ignore carriage return. May be negated.

`icrnl'

Translate carriage return to newline. May be negated.

`ixon'

Enable XON/XOFF flow control (that is, CTRL-S/CTRL-Q). May be negated.

`ixoff'

`tandem'

Enable sending of stop character when the system input buffer is almost full, and start character when it becomes almost empty again. May be negated.

`iuclc'

Translate uppercase characters to lowercase. Non-POSIX. May be negated.

`ixany'

Allow any character to restart output (only the start character if negated). Non-POSIX. May be negated.

`imaxbel'

Enable beeping and not flushing input buffer if a character arrives when the input buffer is full. Non-POSIX. May be negated.