pub unsafe extern "C" fn mbedtls_chacha20_free(
    ctx: *mut mbedtls_chacha20_context
)
Expand description

\brief This function releases and clears the specified ChaCha20 context.

\param ctx The ChaCha20 context to clear. This may be \c NULL, in which case this function is a no-op. If it is not \c NULL, it must point to an initialized context.