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to_str 

        # Fiddle::Pointer.to_str

(from ruby core)
### Implementation from Pointer
---
    ptr.to_str        => string
    ptr.to_str(len)   => string

---

Returns the pointer contents as a string.

When called with no arguments, this method will return the contents with
the length of this pointer's `size`.

When called with `len`, a string of `len` bytes will be returned.

See to_s

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