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I saw a lot of examples with "return" which I use too but sometimes I want to avoid creating new functions and use a loop instead:

while (1) {
    if (FileExists(file)) {
        contents = OpenFile(file);
        if (SomeTest(contents)) {
           DoSomething(contents);
           break;
        } 
    }
    DefaultAction();
    break;
}

If you want to write less lines or you hate infinite loops as me, you can change the loop type to "do ... while(0)" and avoid the last "break".