//: C05:StrTolower.cpp {O} {-mwcc}
// From "Thinking in C++, Volume 2", by Bruce Eckel & Chuck Allison.
// (c) 1995-2004 MindView, Inc. All Rights Reserved.
// See source code use permissions stated in the file 'License.txt',
// distributed with the code package available at www.MindView.net.
#include <algorithm>
#include <cctype>
#include <string>
using namespace std;

string strTolower(string s) {
  transform(s.begin(), s.end(), s.begin(), tolower);
  return s;
} ///:~