don't understand Qt's setCodecForCStrings

[ber_44]

QApplication app(argc, argv);
   QTextCodec::setCodecForCStrings(QTextCodec::codecForName("windows-1252"));
   QTextCodec::setCodecForLocale(QTextCodec::codecForName("windows-1252"));
 
//...

QApplication app(argc, argv);
   QTextCodec::setCodecForCStrings(QTextCodec::codecForName("windows-1252"));
   QTextCodec::setCodecForLocale(QTextCodec::codecForName("windows-1252"));

//...

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Using this code I can display and 'e' with acute by calling

QMessageBox::about (this,"About",QString::fromLocal8Bit("\xe9"));

QMessageBox::about (this,"About",QString::fromLocal8Bit("\xe9"));

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but "\xe1" for an 'a' with acute won't work.
On Windows, I get a compiler warning, saying that "hex escape sequence out of range".
Any workarounds?

[ber_44]

Sorry, this was a simple problem. I had a non-hex letter after e acute, and a hex letter after a acute, like "\xe1bbbbbb". The solution: "\xe1" "bbbbbb"