How to delay until a next increment of time occurs ?

[MRAB]

On 2019-11-15 00:37, Dennis Lee Bieber wrote:
> On Thu, 14 Nov 2019 21:00:59 +0100, "R.Wieser" <address at not.available>
> declaimed the following:
> 
> 
>>:-)  I already wrote that program in C{something} (I'm not sure what my Pi 
>>offers by default) a while ago, but "ported" it to python.  For the above 
>>mentioned "example" reason.
>>
> 
> 	"by default" pretty much any Linux distribution provides gcc
> (supporting both "plain C" and "C++"). With apt-get one can augment with
> Fortran, Ada (GNAT), "D", Go, Objective-C and Objective-C++. Outside of gcc
> one can install free-pascal and Lazarus IDE. There is even a COBOL
> compiler.
> 
Objective-C++?

I knew that Objective-C is C with objects.

I knew that C++ is C with objects.

But C with both?