vec_eo
vec_eo = ev_realloc (vec_eo, new_max * NFDBYTES); /* could free/malloc */
memcpy (vec_eo, vec_wi, fd_setsize);
res = select (vec_max * NFDBITS, (fd_set *)vec_ro, (fd_set *)vec_wo, (fd_set *)vec_eo, &tv);
if (FD_ISSET (handle, (fd_set *)vec_eo)) events |= EV_WRITE;
word_w |= ((fd_mask *)vec_eo) [word];
vec_eo = ev_malloc (sizeof (fd_set));
vec_eo = 0;
ev_free (vec_eo);
VARx(void *, vec_eo)
#define vec_eo ((loop)->vec_eo)