mkioctls revision 14541 
1awk '
2BEGIN {
3	print "#include <sys/param.h>"
4	print "#include <sys/queue.h>"
5	print "#include <sys/socket.h>"
6	print "#include <sys/socketvar.h>"
7	print "#include <net/route.h>"
8	print "#include <net/if.h>"
9	print "#include <sys/termios.h>"
10	print "#define COMPAT_43"
11	print "#include <sys/ioctl.h>"
12	print ""
13	print "char *"
14	print "ioctlname(val)"
15	print "{"
16	print ""
17}
18
19/^#[ 	]*define[ 	]*(TIO|FIO|SIO|OSIO)[A-Z]*[ 	]*_IO/ {
20	
21	# find where the name starts
22	for (i = 1; i <= NF; i++)
23		if ($i ~ /define/)
24			break;
25	++i;
26	# 
27	printf("\tif (val ==  %s)\n\t\treturn(\"%s\");\n", $i, $i);
28
29}
30END {
31	print "\n\treturn(NULL);"
32	print "}"
33}
34' $DESTDIR/usr/include/sys/ioctl.h $DESTDIR/usr/include/sys/ioctl_compat.h
35