all are extern or not ?

This is a discussion on all are extern or not ? within the C++ Programming forums, part of the General Programming Boards category; Howdy,everyone. my book told me that all functions are extern by default. and what about variables and consts ? Regards~...

  1. #1
    flashing vampire black's Avatar
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    Question all are extern or not ?

    Howdy,everyone.

    my book told me that all functions are extern by default. and what about variables and consts ?

    Regards~
    Never end on learning~

  2. #2
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    Functions declared outside a class are global by default, which means that functions in other files can use that function. Declared variables and consts outside classes and functions are also global by default. Which means that functions in other files can use them.

  3. #3
    flashing vampire black's Avatar
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    Originally posted by Shiro
    Functions declared outside a class are global by default, which means that functions in other files can use that function. Declared variables and consts outside classes and functions are also global by default. Which means that functions in other files can use them.
    I got it. thanx,Shiro~
    Never end on learning~

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