Jan 8, 2010 · The below solution should be simple enough as per the title "How to declare a global variable that could be used in the entire program " . If you want to use it in a different file then …

Can someone explain when you're supposed to use the static keyword before global variables or constants defined in header files? For example, lets say I have a header file with the line: const f...

22 A more C++-like way would be using a class member, syntactically indicated by the static keyword. Class member variables have implicit external linkage.

Mar 14, 2012 · How to declare a global variable in C++ Asked 13 years, 10 months ago Modified 7 months ago Viewed 451k times

Best way to declare and define global variables The clean, reliable way to declare and define global variables is to use a header file to contain an extern declaration of the variable. The …

108 Global variables are not extern nor static by default on C and C++. When you declare a variable as static, you are restricting it to the current source file.

Thank you. So, if i declare a global variable in an header file without the extern keyword, the source files that include the header does not see it?

16 From Here: A global variable in C/C++ is a variable which can be accessed from any module in your program. int myGlobalVariable; This allocates storage for the data, and tells the compiler …

Oct 22, 2008 · 8 The scope is whatever scope the using declaration is in. If this is global scope, then it will be at global scope. If it is in global scope of a header file, then it will be in the global …

Possible Duplicate: Static vs global I'm confused about the differences between global and static global variables. If static means that this variable is global only for the same file then why ...