/* Demo of returning pointer from function in C++ */ #include "iostream" using namespace std; int globalN = 20; int *returnPointerFromFun(){ return &globalN; } int main(){ int localN=30; int *ptr; ptr = &localN; cout<<"printing local value: "<<*ptr; ptr = returnPointerFromFun(); cout<<endl<<"printing global value: "<<*ptr<<endl; return 0; } /* OUTPUT [pavan@localhost Pointers]$ g++ ReturningPointer.cpp [pavan@localhost Pointers]$ ./a.out printing local value: 30 printing global value: 20 [pavan@localhost Pointers]$ */
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Thursday, 21 September 2017
Returning pointer from function in C++
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