MySQL 8.4 C API Developer Guide / ... / C API Basic Interface / C API Basic Function Descriptions / mysql_get_server_version()
unsigned longmysql_get_server_version(MYSQL *mysql) Returns an integer that represents the MySQL server version. The value has the formatXXYYZZ, whereXX is the major version,YY is the release level (or minor version), andZZ is the sub-version within the release level:
major_version*10000 + release_level*100 + sub_version For example,"8.4.6" is returned as80406.
This function is useful in client programs for determining whether some version-specific server capability exists.