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3.1 Engine Version Check

— Function: gpgme_error_t gpgme_engine_check_version (gpgme_protocol_t protocol)

The function gpgme_engine_check_version verifies that the engine implementing the protocol PROTOCOL is installed in the expected path and meets the version requirement of GPGME.

This function returns the error code GPG_ERR_NO_ERROR if the engine is available and GPG_ERR_INV_ENGINE if it is not.