for ac_header in ctype.h dirent.h pwd.h stdio.h stdlib.h string.h sys/stat.h sys/time.h sys/types.h time.h unistd.h netdb.h netinet/in.h
do
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
if eval "test \"\${$as_ac_Header+set}\" = set"; then
  echo "$as_me:$LINENO: checking for $ac_header" >&5
echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
if eval "test \"\${$as_ac_Header+set}\" = set"; then
  echo $ECHO_N "(cached) $ECHO_C" >&6

  cat >>confdefs.h <<_ACEOF
#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF

fi

done


echo "$as_me:$LINENO: checking whether time.h and sys/time.h may both be included" >&5
echo $ECHO_N "checking whether time.h and sys/time.h may both be included... $ECHO_C" >&6
if test "${ac_cv_header_time+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  cat >conftest.$ac_ext <<_ACEOF