DAT_SR_STACK_NODE
struct DAT_SR_STACK_NODE *next;
DAT_SR_STACK_NODE *top;
dat_os_free(top, sizeof (DAT_SR_STACK_NODE));
DAT_SR_STACK_NODE *top;
if (NULL == (top = dat_os_alloc(sizeof (DAT_SR_STACK_NODE)))) {
static DAT_SR_STACK_NODE *g_token_stack = NULL;