MYSQL * mysql_init(MYSQL * mysql);
mysql - a pointer to MYSQL or NULL. In case of passing a NULL pointer mysql_init() will allocate memory and return a pointer to a MYSQL structure.
Prepares and initializes a MYSQL structure to be used with mysql_real_connect().
If mysql_thread_init() was not called before, mysql_init() will also initialize the thread subsystem for the current thread.
Members of the MYSQL structure are not intended for application use.