HAVE_SYSCONF      803 ext/etc/etc.c  #ifdef HAVE_SYSCONF
HAVE_SYSCONF      923 ext/etc/etc.c  #if (defined(HAVE_SYSCONF) && defined(_SC_NPROCESSORS_ONLN)) || defined(_WIN32)
HAVE_SYSCONF      556 signal.c       #if defined(HAVE_SYSCONF) && defined(_SC_PAGE_SIZE)