APR_BUCKET_PREV   135 modules/http/http_filters.c          e = APR_BUCKET_PREV(e)) {
APR_BUCKET_PREV  1402 modules/proxy/mod_proxy_http.c                     eos = APR_BUCKET_PREV(eos);
APR_BUCKET_PREV  1613 modules/ssl/ssl_engine_io.c             e = APR_BUCKET_PREV(e);
APR_BUCKET_PREV    63 srclib/apr-util/test/testbuckets.c                 APR_BUCKET_PREV(fb) == tb);
APR_BUCKET_PREV    67 srclib/apr-util/test/testbuckets.c                 APR_BUCKET_PREV(tb) == APR_BRIGADE_SENTINEL(bb));