int oobinline, int nodelay, int keepalive,
Plug plug, const Config *cfg);
Socket new_listener(char *srcaddr, int port, Plug plug, int local_host_only,
int oobinline, int nodelay, int keepalive,
Plug plug, const Config *cfg);
Socket new_listener(char *srcaddr, int port, Plug plug, int local_host_only,