stackp
static struct stack_block *stackp;
sp->prev = stackp;
stackp = sp;
mark->stackp = stackp;
if (stackp != NULL && stacknxt == SPACE(stackp))
while (stackp != mark->stackp) {
sp = stackp;
stackp = sp->prev;
if (stackp != NULL && stacknxt == SPACE(stackp)) {
oldstackp = stackp;
stackp = oldstackp->prev;
sp->prev = stackp;
stackp = sp;
struct stack_block *stackp;
stackp = de_stack;
*stackp++ = finchar;
*stackp++ = tab_suffixof(code);
*stackp++ = finchar = tab_suffixof(code);
*bp++ = *--stackp;
} while (stackp > de_stack);