The first thing you must do is to get your own working copy of the
source for `tc'. For this, you use the checkout command:
$ cvs checkout tc
This will create a new directory called `tc' and populate it with the source files.
$ cd tc $ ls CVS Makefile backend.c driver.c frontend.c parser.c
The `CVS' directory is used internally by CVS. Normally, you should not modify or remove any of the files in it.
You start your favorite editor, hack away at `backend.c', and a couple of hours later you have added an optimization pass to the compiler. A note to RCS and SCCS users: There is no need to lock the files that you want to edit. See section Multiple developers, for an explanation.
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