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# Function nemo_relay_string_free

> Free a C string previously returned by any `nemo_relay_*` accessor function. Passing null is a safe no-op.

Generated from `cargo doc --no-deps -p nemo-relay -p nemo-relay-adaptive -p nemo-relay-ffi`.

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Free a C string previously returned by any `nemo_relay_*` accessor function. Passing null is a safe no-op.

## Safety

`ptr` must be a pointer returned by this library, or null. Double-free is undefined behavior.