ngx_http_send_special  191 http/modules/ngx_http_addition_filter_module.c     return ngx_http_send_special(r, NGX_HTTP_LAST);
ngx_http_send_special  261 http/modules/perl/ngx_http_perl_module.c         ngx_http_send_special(r, NGX_HTTP_LAST);
ngx_http_send_special  113 http/ngx_http.h ngx_int_t ngx_http_send_special(ngx_http_request_t *r, ngx_uint_t flags);
ngx_http_send_special 2102 http/ngx_http_upstream.c             if (ngx_http_send_special(r, NGX_HTTP_FLUSH) == NGX_ERROR) {
ngx_http_send_special 3028 http/ngx_http_upstream.c         rc = ngx_http_send_special(r, NGX_HTTP_LAST);