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// Fig. 5.10: fig05_10.cpp
// Converting lowercase letters to uppercase letters
// using a non-constant pointer to non-constant data.
#include <iostream>
using std::cout;
using std::endl;
#include <cctype> // prototypes for islower and toupper
void convertToUppercase( char * );
int main()
{
char phrase[] = "characters and $32.98";
cout << "The phrase before conversion is: " << phrase;
convertToUppercase( phrase );
cout << "\nThe phrase after conversion is: "
<< phrase << endl;
return 0; // indicates successful termination
} // end main
// convert string to uppercase letters
void convertToUppercase( char *sPtr )
{
while ( *sPtr != '\0' ) { // current character is not '\0'
if ( islower( *sPtr ) ) // if character is lowercase,
*sPtr = toupper( *sPtr ); // convert to uppercase
++sPtr; // move sPtr to next character in string
} // end while
} // end function convertToUppercase
/**************************************************************************
* (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
* Hall. All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
*************************************************************************/
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