APR_VERSION_STRING   99 server/main.c             APR_VERSION_STRING, APU_VERSION_STRING);
APR_VERSION_STRING   34 srclib/apr/misc/unix/version.c     return APR_VERSION_STRING;
APR_VERSION_STRING   26 srclib/apr/test/testvsn.c     ABTS_STR_EQUAL(tc, APR_VERSION_STRING, apr_version_string());