H_USER
!bitset(H_USER, h->h_flags) &&
h->h_flags |= H_USER;
h->h_flags |= H_USER;
h->h_flags &= ~H_USER;
if (!bitset(H_USER, h->h_flags))
!bitset(H_USER, h->h_flags) &&
h->h_flags |= H_USER;
addheader(newstr(response), mh_value, H_USER, e,
insheader(idx, newstr(field), mh_value, H_USER, e,
if (bitset(H_USER, h->h_flags) && --index <= 0)
else if (!bitset(H_USER, h->h_flags) &&
addheader(newstr(field), mh_value, H_USER, e,
h->h_flags |= H_USER;