roffhash_find
tok = roffhash_find(man->manmac, buf + ppos, sz);
tok = roffhash_find(mdoc->mdocmac, buf + sv, sz);
res = roffhash_find(mdoc->mdocmac, p, 0);
else if ((tok = roffhash_find(mdoc->mdocmac, *arg, 0)) == TOKEN_NONE)
t = roffhash_find(r->reqtab, mac, maclen);
enum roff_tok roffhash_find(struct ohash *, const char *, size_t);