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memory - C++ string literal data type storage

void f()
{
    char *c = "Hello World!"
}

Where is the string stored? What's the property of it? I just know it is a constant, what else? Can I return it from inside of the function body?

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it is packaged with your binary -- by packaged I mean hard-wired, so yes you can return it and use it elsewhere -- you won't be able to alter it though, and I strongly suggest you declare it as:

const char * x = "hello world";

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