subst_t
subst_t *sb;
subst_t *temp;
int32_t k1 = ((const subst_t *)n1)->key;
int32_t k2 = ((const subst_t *)n2)->key;
const wchar_t *c1 = ((const subst_t *)n1)->ref;
const wchar_t *c2 = ((const subst_t *)n2)->ref;
subst_t srch;
subst_t *s;