ngx_http_cache_send  133 http/ngx_http_cache.h ngx_int_t ngx_http_cache_send(ngx_http_request_t *);
ngx_http_cache_send  783 http/ngx_http_upstream.c         return ngx_http_cache_send(r);
ngx_http_cache_send  808 http/ngx_http_upstream.c         return ngx_http_cache_send(r);