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Initialize a toplevel
one of the atoms 'tty' or 'gui'


Initializes streams and event handlers in preparation to a call to toplevel/0. Two variants of toplevel loop can be selected: command line oriented (tty) or server oriented (gui). The latter is intended for an ECLiPSe which is embedded or remote-interfaced to a GUI-based host program.

See Also

toplevel / 0, break / 0