const char null check

It's because you pass the pointer by value, i.e. it's copied, and...

It's because you pass the pointer by value, i.e. it's copied, and in the function you only change the copy. Since C doesn't have proper references.

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You are changing the pointer, which is not const (the thing it's point...

You are changing the pointer, which is not const (the thing it's pointing to is const). If you want the pointer itself to be const, the declaration.

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return password; } int main() { const char *correct_password= "null&qu...

return password; } int main() { const char *correct_password= "null" ; cout Test 1: echoing enabled".

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