Function level variable : function scope variables « Function « C++ Tutorial

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C++ Tutorial » Function » function scope variables

7.15.1.Function level variable

#include <iostream> 

using namespace std; 

 

void f1(); 

 

int main() 

{ 

  int val = 10; 

 

  cout << "val in main(): " << val << '\n'; 

  f1(); 

  cout << "val in main(): " << val << '\n'; 

 

  return 0; 

} 

 

void f1() 

{ 

  int val = 88; 

 

  cout << "val in f1(): " << val << "\n"; 

}

val in main(): 10
val in f1(): 88
val in main(): 10

7.15.function scope variables
	7.15.1.	Function level variable
	7.15.2.	A local variable is initialized each time its block is entered

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