How to rebind XON/XOFF keys?

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http://unix.stackexchange.com – I put stty -ixon -ixoff in my .bashrc so I can use Control+S to search the bash history forward (here there is a text about it). However, I sometimes used Control+S to really send the XOFF signal to the TTY, and would like to be able to still do it but using some other key combination. Is it possible to bind some other key combination in such a way it would send the XOFF signal? (HowTos)