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char* getString() {
    char str[] = "Hello";
    return str;
}

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char* getString() {
    static char str[] = "Hello";
    return str;
}

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char* getString() {
    char* str = malloc(sizeof(char) * (strlen("Hello") + 1));
    strcpy(str, "Hello");
    return str;
}

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static char str[] = "Hello";

char* getString() {
    return str;
}

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