Version 1 of Tcl_CreateChannelHandler

Updated 2008-11-12 12:52:55 by dkf

Schedule a callback to be made from the Tcl event loop when a channel is in a particular state (i.e. readable or writable). The foundation for fileevent.
http://www.tcl.tk/man/tcl8.6/TclLib/CrtChnlHdlr.htm