term_hspan
v = term_hspan(p, &su);
len = term_hspan(p, &su);
len = term_hspan(p, &su);
len = term_hspan(p, &su);
n->aux = term_hspan(p, &su);
return term_hspan(p, &su);
offset += term_hspan(p, &su) + dcol;
width = term_hspan(p, &su) + dcol;
ponew = term_hspan(p, &su);
len = term_hspan(p, &su);
bu += term_hspan(p, &su);
bu = term_hspan(p, &su);
width = term_hspan(p, &su);
int term_hspan(const struct termp *, const struct roffsu *);
tabs.d = term_hspan(p, &su);
pos = term_hspan(p, &su);