use_rewrite       450 http/ngx_http.c     ngx_uint_t                  find_config_index, use_rewrite, use_access;
use_rewrite       458 http/ngx_http.c     use_rewrite = cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers.nelts ? 1 : 0;
use_rewrite       461 http/ngx_http.c     n = use_rewrite + use_access + cmcf->try_files + 1 /* find config phase */;
use_rewrite       507 http/ngx_http.c             if (use_rewrite) {