Function mbedtls_hmac_drbg_free 

pub unsafe extern "C" fn mbedtls_hmac_drbg_free(
    ctx: *mut mbedtls_hmac_drbg_context,
)

\brief This function resets HMAC_DRBG context to the state immediately after initial call of mbedtls_hmac_drbg_init().

\param ctx The HMAC_DRBG context to free.