FNOALLOC
strassign(np, cp, FNOALLOC, len);
FNOALLOC, len));
if (flags & FNOALLOC) {
flags &= ~FNOALLOC;
if (how & FNOALLOC) {
how &= ~FNOALLOC;
lnp = stringnode(cp, FNOALLOC, llen);
(void)assign(left, stringnode(buf, FNOALLOC, wcslen(buf)));
np = stringnode(cp, FNOALLOC, length);
return (stringnode((STRING)str, FNOALLOC, (size_t)(cp-str-1)));