mkioctls revision 1.3 
1#	$Id: mkioctls,v 1.3 1994/10/06 15:44:35 mycroft Exp $
2#
3awk '
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 "{"
17	print ""
18}
19
20/^#[ 	]*define[ 	]*(TIO|FIO|SIO|OSIO)[A-Z]*[ 	]*_IO/ {
21	
22	# find where the name starts
23	for (i = 1; i <= NF; i++)
24		if ($i ~ /define/)
25			break;
26	++i;
27	# 
28	printf("\tif (val ==  %s)\n\t\treturn(\"%s\");\n", $i, $i);
29
30}
31END {
32	print "\n\treturn(NULL);"
33	print "}"
34}
35' $1 $2
36