DB_MPREG
DB_MPREG *mpreg;
DB_MPREG *mpreg;
DB_MPREG *mpreg;
__os_free(mpreg, sizeof(DB_MPREG));
DB_MPREG *mpr;
if ((ret = __os_malloc(sizeof(DB_MPREG), NULL, &mpr)) != 0)