ngx_http_spdy_keepalive_handler  176 src/http/ngx_http_spdy.c static void ngx_http_spdy_keepalive_handler(ngx_event_t *rev);
ngx_http_spdy_keepalive_handler  850 src/http/ngx_http_spdy.c     c->read->handler = ngx_http_spdy_keepalive_handler;