wolfcrypt/src/cryptocb.c Fix %p logging by casting ctx pointers to void*. wolfcrypt/src/async.c Document callback-driven pending/retry behavior in the polling loop. src/internal.c Clear stale async event state after event removal to enable clean retries. examples/async/user_settings.h Adjust example settings and document mutually exclusive async modes. examples/async/async_tls.c Update include flow for user settings; narrow simulated pending operations in callback. examples/async/async_server.c Register/unregister crypto callback device and improve error logging. examples/async/async_client.c Register/unregister crypto callback device and improve error logging. examples/async/README.md Document build modes and how to run async examples. examples/async/Makefile Add ASYNC_MODE switch controlling WOLFSSL_ASYNC_CRYPT_SW vs WOLF_CRYPTO_CB. .github/workflows/async-examples.yml Build/run CI matrix for both async modes and adjust pending-count validation.