SRVFLAG_STATIC_CACHE_CONTROL
f = SRVFLAG_STATIC_CACHE_CONTROL |
srv_conf->flags &= ~SRVFLAG_STATIC_CACHE_CONTROL;
srv_conf->flags |= SRVFLAG_STATIC_CACHE_CONTROL;
SRVFLAG_STATIC_CACHE_CONTROL;
if (srv_conf->flags & SRVFLAG_STATIC_CACHE_CONTROL) {