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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     /*
  8.     #define toupper tolower
  9.     */
  10.     cout << (char)toupper('A') << endl;
  11.  
  12.     #define toupper tolower
  13.     cout << (char)toupper('A') << endl;
  14.  
  15.     return 0;
  16. }
Success #stdin #stdout 0s 2896KB
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Standard input is empty
stdout
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A
a
https://ideone.com/wGjcFY
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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