Converting lowercase letters to uppercase letters using a pointer : char pointer « Data Types « C++ Tutorial

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C++ Tutorial » Data Types » char pointer

2.21.4.Converting lowercase letters to uppercase letters using a pointer

#include <iostream>

using std::cout;

using std::endl;



#include <cctype>

using std::islower;

using std::toupper;



void f( char * );



int main()

{

   char phrase[] = "characters";



   f( phrase );

   cout << phrase << endl;

   return 0;

}





void f( char *sPtr )

{

   while ( *sPtr != '\0' )

   {   

      *sPtr = toupper( *sPtr ); 



      sPtr++; 

   }

}

CHARACTERS

2.21.char pointer
	2.21.1.	Reverse string case using pointer arithmetic
	2.21.2.	Printing the address stored in a char * variable
	2.21.3.	Display value of char , then display value of char static_cast to void
	2.21.4.	Converting lowercase letters to uppercase letters using a pointer
	2.21.5.	Printing a string one character at a time using a pointer

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