Index a pointer as if it were an array. : Pointer Array « Pointer « C++

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C++ » Pointer » Pointer Array Screenshots  Index a pointer as if it were an array.   #include <iostream>  #include <cctype>  using namespace std;    int main()  {    char *p;    int i;    char str[80] = "This Is A Test";      cout << "Original string: " << str << endl;      p = str;                           // assign p the address of the start of the array         for(i = 0; p[i]; i++) {            // index p      if(isupper(p[i]))        p[i] = tolower(p[i]);      else if(islower(p[i]))        p[i] = toupper(p[i]);    }      cout << "Inverted-case string: " << str;      return 0;  }                          Related examples in the same category 1. The Array Name as a Constant Pointer 2. Using a Variable Pointer to Point to an Array 3. The name of the array is a constant pointer 4. Incrementing a Pointer 5. Comparing Pointer Addresses 6. using array name as a constant pointer