SOCKET_READ
cc = SOCKET_READ((SOCKET)fd, buf, len);
nread = SOCKET_READ(verto_get_fd(ev),
nread = SOCKET_READ(verto_get_fd(ev),
cc = SOCKET_READ((SOCKET)fd, buf, len);
nread = SOCKET_READ(conn->fd, &in->buf[in->pos], in->n_left);
nread = SOCKET_READ(conn->fd, in->bufsizebytes + in->bufsizebytes_read,