text: 
  /*
   * Copyright (C) Roman Arutyunyan
   * Copyright (C) Nginx, Inc.
   */
  
  
  #ifndef _NGX_PROXY_PROTOCOL_H_INCLUDED_
  #define _NGX_PROXY_PROTOCOL_H_INCLUDED_
  
  
  #include <ngx_config.h>
  #include <ngx_core.h>
  
  
  #define NGX_PROXY_PROTOCOL_MAX_HEADER  107
  
  
  struct ngx_proxy_protocol_s {
      ngx_str_t           src_addr;
      ngx_str_t           dst_addr;
      in_port_t           src_port;
      in_port_t           dst_port;
  };
  
  
  u_char *ngx_proxy_protocol_read(ngx_connection_t *c, u_char *buf,
      u_char *last);
  u_char *ngx_proxy_protocol_write(ngx_connection_t *c, u_char *buf,
      u_char *last);
  
  
  #endif /* _NGX_PROXY_PROTOCOL_H_INCLUDED_ */
  