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On 02/04/2019 08:23, Italo Maia wrote:

One thing I've run into recently was a need to sleep the app regularly.

I don't think there's anything in ANSI C that can handle that, so the
alternatives are: to loop whilst checking os.time, not very energy
efficient, or os.execute an external sleep util (the solution I took),
not very portable.

Of course, there are libraries that provide the functionality. Just
depends how 'pure' you want things.