HAVE_ALLOCA        54 TSRM/tsrm_config_common.h #if (HAVE_ALLOCA || (defined (__GNUC__) && __GNUC__ >= 2))
HAVE_ALLOCA       196 Zend/zend.h    #if (HAVE_ALLOCA || (defined (__GNUC__) && __GNUC__ >= 2)) && !(defined(ZTS) && defined(NETWARE)) && !(defined(ZTS) && defined(HPUX)) && !defined(DARWIN)
HAVE_ALLOCA        28 main/alloca.c  #if !HAVE_ALLOCA