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Why learn C? (O'Reilly Radar)
Posted Jul 1, 2012 5:04 UTC (Sun) by wahern (subscriber, #37304)
In C anything that starts with an underscore followed by a capital letter, or anything which begins with two underscores, is reserved for future language extensions. That way, new extensions won't break existing code. If you want the intuitive names, include the headers.
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