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10.37.6.2 Predicates for Prolog to Interact with Tcl Interpreters
tcl_new(-TclInterpreter)
Create a Tcl interpreter and return a handle to it in the variable Interpreter.


tcl_delete(+TclInterpreter)
Given a handle to a Tcl interpreter in variable TclInterpreter, it deletes the interpreter from the system.


tcl_eval(+TclInterp, +Command, -Result)
Evaluates the Tcl command term given in Command in the Tcl interpreter handle provided in TclInterpreter. The result of the evaluation is returned as a string in Result.


tcl_event(+TclInterp, +Command, -Events)
Evaluates the Tcl command term given in Command in the Tcl interpreter handle provided in TclInterpreter. The first Prolog events arising from the evaluation is returned as a list in Events. Blocks until there is something on the event queue.

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