mkioctls revision 1.5 
1#	$Id: mkioctls,v 1.5 1995/01/15 07:51:08 mycroft Exp $
2#
3cpp -dM ${1+"$@"} | awk '
4BEGIN {
5	print "#include <sys/param.h>"
6	print "#include <sys/socket.h>"
7	print "#include <sys/socketvar.h>"
8	print "#include <net/route.h>"
9	print "#include <net/if.h>"
10	print "#include <sys/termios.h>"
11	print "#define COMPAT_43"
12	print "#include <sys/ioctl.h>"
13	print ""
14	print "char *"
15	print "ioctlname(val)"
16	print "\tlong val;"
17	print "{"
18	print ""
19}
20
21/^#[ 	]*define[ 	]*(TIO|FIO|SIO|OSIO)[A-Z]*[ 	]*_IO/ {
22	
23	# find where the name starts
24	for (i = 1; i <= NF; i++)
25		if ($i ~ /define/)
26			break;
27	++i;
28	# 
29	printf("\tif (val == %s)\n\t\treturn (\"%s\");\n", $i, $i);
30
31}
32END {
33	print "\n\treturn (NULL);"
34	print "}"
35}
36'
37