once               18 http/modules/ngx_http_sub_filter_module.c     ngx_flag_t                 once;
once               35 http/modules/ngx_http_sub_filter_module.c     ngx_uint_t                 once;   /* unsigned  once:1 */
once               88 http/modules/ngx_http_sub_filter_module.c       offsetof(ngx_http_sub_loc_conf_t, once),
once              199 http/modules/ngx_http_sub_filter_module.c     if (ctx->once && (ctx->buf == NULL || ctx->in == NULL)) {
once              381 http/modules/ngx_http_sub_filter_module.c             ctx->once = slcf->once;
once              511 http/modules/ngx_http_sub_filter_module.c     if (ctx->once) {
once              674 http/modules/ngx_http_sub_filter_module.c     slcf->once = NGX_CONF_UNSET;
once              686 http/modules/ngx_http_sub_filter_module.c     ngx_conf_merge_value(conf->once, prev->once, 1);