The string and numeric forms of the MySQL server version are available at compile time as the values of the MYSQL_SERVER_VERSION and MYSQL_VERSION_ID macros, and at runtime as the values of the mysql_get_server_info() and mysql_get_server_version() functions.

The client library version is the MySQL version. For Connector/C, this is the MySQL version on which the Connector/C distribution is based. The string and numeric forms of this version are available at compile time as the values of the MYSQL_SERVER_VERSION and MYSQL_VERSION_ID macros, and at runtime as the values of the mysql_get_client_info() and mysql_get_client_version() functions.