1BSD/bin/cxref

grep -n "^[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ]" $* > /tmp/$$
nex - /tmp/$$
g/STATIC/d
g/\<static\>/d
g/\<long\>/d
g/\<switch\>/d
g/\<unsigned\>/d
g/\<return\>/d
g/\<break\>/d
g/\<boolean\>/d
g/\<case\>/d
g/\<struct\>/d
g/\<int\>/d
g/\<char\>/d
g/\<extern\>/d
g/:$/d
1,$s/\(.*:\)\(.*\)/\2|\1/
1,$s/|/                                                 /
1,$s/^\(................................................\) */\1/
1,$ta
w
q
sort /tmp/$$
rm /tmp/$$