3 ms·The qmail source code has this convention.by simtel20 7y agoThe qmail source code has this convention.k_sze 7y agoThanks!zdw 7y agoSome call the concept "Bernstein Chaining": http://www.catb.org/%7Eesr/writings/taoup/html/ch06s06.html http://www.catb.org/%7Eesr/writings/taoup/html/ch06s06.html