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What is the difference between local and global scope in c++

AA321
AA321 asked
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Last Modified: 2013-12-14
HI

What is the difference between local and global scope?
Please provide an example if possible, only a beginner so simple english would be good

Many Thanks
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Top Expert 2012
Commented:
'Local scope' basically means local to the function a symbol has been declared in, 'global scope' means global to the file a symbol has been declared in. As a simple example:
#include <iostream>
usinf namespace std;
 
int global = 23;  // global to this file
 
int main () {
 
  int local = 42; // local to 'main()'
 
  cout << "Global: " << global << " Local: " << local << endl;
 
  return 0;
}

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jkr
CERTIFIED EXPERT
Top Expert 2012
Commented:
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