C ++ implementation

Question

I read this line in a book: "When we request a C ++ implementation to run a program, it does this by calling this function."

And I'm wondering what “C ++ implementation” means or what it is specifically. Help!

Answer 1

"C ++ implementation" means the compiler plus the linker plus the standard libraries plus the system in which the program actually runs. Everything except your source, basically.

Implementation is what implements the C ++ standard.

Thus, the book does not say that any particular thing calls your function. Most likely, the whole package or some part of it guarantees that it is called main.

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Answer 2

, ++ - . , , main.