:mkhead

wd=`pwd`
cd ${SRC-/usr/src}/head
trap "rm -f usrlist headlist;cd $wd;exit" 0 1 2 3 15
if [ "$1" ]
then
	args=`echo $* | sed -e 's;sys\.[^ ]*;;g'`
else
	args=`ls | sed -e 's;sys\.[^ ]*;;g'`
	ls . > headlist
	ls /usr/include > usrlist
	rem=`comm -23 usrlist headlist | tr -s "\012" " "`
	echo "Removing:\n$rem"
	(cd /usr/include; rm -f $rem)
fi
index=0
echo "Copying:"
echo "sys.s \c"
if vax
then	cp sys.vax /usr/include/sys.s
else	cp sys.pdp /usr/include/sys.s
fi
for i in $args
do
	if [ -d $i ]
	then
		if test $index -gt 6
		then echo
		     index=0
		else index=`expr $index + 1`
		fi
		echo "(directory $i) \c"
		cp $i/* /usr/include/$i
	else
		echo "$i \c"
		if test $index -gt 6
		then echo
		     index=0
		else index=`expr $index + 1`
		fi
		cp $i /usr/include
		chgrp bin /usr/include/$i
	fi
done
echo