toupper.cpp

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#include <iomanip>    // for setw
#include <ios>        // for oct
#include <iostream>   // for cout, endl
#include <locale>     // for tolower(), toupper()
 
#include <examples.h>
 
 
int main ()
{
    std::cout << std::oct;
    std::cout.fill ('0');
 
    // compute tolower and toupper of printable ASCII chararcters
    for (int c = ' '; c != '~' + 1; ++c)
        std::cout << "std::toupper/lower ('\\" << std::setw (3) << c
                  << "', std::locale ()) = '"
                  << std::toupper (char (c), std::cout.getloc ())
                  << "' / "
                  << std::tolower (char (c), std::cout.getloc ())
                  << "'\n";
 
    return 0;
}