Function mysql_real_connect_start

pub unsafe extern "C" fn mysql_real_connect_start(
    ret: *mut *mut MYSQL,
    mysql: *mut MYSQL,
    host: *const c_char,
    user: *const c_char,
    passwd: *const c_char,
    db: *const c_char,
    port: c_uint,
    unix_socket: *const c_char,
    clientflag: c_ulong,
) -> c_int