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  1. #include <cctype>
  2. #include <cstdlib>
  3. #include <cstring>
  4. #include <iostream>
  5.  
  6. char *
  7. my_strupr(char *s)
  8. {
  9.   char *start = s;
  10.   for (; *s; ++s)
  11.     *s = std::toupper(*s);
  12.   return start;
  13. }
  14.  
  15. char *
  16. my_strdup(char const *src)
  17. {
  18.   char *dst = new char[ std::strlen(src) + 1 ];
  19.   std::strcpy(dst, src);
  20.   return dst;
  21. }
  22.  
  23. char *
  24. strupr_copy(char const *s)
  25. {
  26.   return my_strupr(my_strdup(s));
  27. }
  28.  
  29. int
  30. main()
  31. {
  32.   char const *src = "Hello, World!";
  33.   char *      dst = strupr_copy(src);
  34.   std::cout << src << " --> " << dst << '\n';
  35.   delete dst;
  36. }
  37.  
Success #stdin #stdout 0s 4456KB
comments (?)
stdin 
Standard input is empty
stdout 
Hello, World! --> HELLO, WORLD!
https://ideone.com/JxZseZ
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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