#ifndef _NGX_EVENT_CONNECT_H_INCLUDED_
#define _NGX_EVENT_CONNECT_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
#define NGX_PEER_KEEPALIVE …
#define NGX_PEER_NEXT …
#define NGX_PEER_FAILED …
ngx_peer_connection_t;
ngx_event_get_peer_pt;
ngx_event_free_peer_pt;
ngx_event_notify_peer_pt;
ngx_event_set_peer_session_pt;
ngx_event_save_peer_session_pt;
struct ngx_peer_connection_s { … };
ngx_int_t ngx_event_connect_peer(ngx_peer_connection_t *pc);
ngx_int_t ngx_event_get_peer(ngx_peer_connection_t *pc, void *data);
#endif