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  1. #include <iostream>
  2. #include <cstring>
  3.  
  4. using namespace std;
  5.  
  6. void convertToLower(char* string)
  7. {
  8. for (unsigned int i = 0; i < strlen(string); i++)
  9. {
  10. if (string[i] >= 65 && string[i] <= 90)
  11. {
  12. string[i] |= 32;
  13. }
  14. }
  15. cout << string << endl;
  16. }
  17.  
  18. int main()
  19. {
  20. char test[] = "TEST";
  21. convertToLower(test);
  22. }
Success #stdin #stdout 0s 3468KB
stdin
Standard input is empty
stdout
test