What does extern mean in a function declaration in c++, C/C++ Programming

Assignment Help:

It tells the compiler that a variable or a function exists, even if the compiler hasn't yet seen it in the file presently being compiled. This variable or function may be distinct in another file or further down in the current file.       

 

 


Related Discussions:- What does extern mean in a function declaration in c++

Explain the preprocessor directives, The Preprocessor Directives A prep...

The Preprocessor Directives A preprocessor directive which starts with a hash '#' ,is an instruction to the preprocessor, which acts on the source code before the compilation p

Add guts to vs 2008 c++ windows service, Add guts to VS 2008 C++ windows se...

Add guts to VS 2008 C++ windows service Project Description: I have a shell windows32 service written in 2008 VS C++. I want the functionality part started. Need someone too

Advanced features of c, We are now quite happy to use the basic mathematica...

We are now quite happy to use the basic mathematical expressions, however in engineering we use scientific functions i.e Sin , Cos  , ln etc . Within C we have the following functi

Write a program to add co-ordinates of the plane, Write a program to add co...

Write a program to add co-ordinates of the plane The class having x and y co-ordinates. Create three objects. Use a constructor to pass one pair of co-ordinates and a funct

However shouldn''t i always use a printon() method instead , Q: however sho...

Q: however shouldn't I always use a printOn() method instead of a friend function? A: No. The usual cause people wish to always use a printOn() method instead of  a friend fu

C, how to learn programming skills

how to learn programming skills

Explain constructors, Constructors By definition, a constructor functio...

Constructors By definition, a constructor function of some class is a member function that automatically gets implemented whenever an instance of the class to which the constru

#title.need help finising a pseudo code, I have to make a program that allo...

I have to make a program that allow the user input 10 numbers between 10 and 100 and if the number input is the same than the last number, should appear an error message. I have th

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd