dupe-funcs.py

#!/usr/bin/env python

from __future__ import print_function

from collections import defaultdict
import fileinput

data = {'FUNC': defaultdict(list), 'PUBLIC': defaultdict(list)}
for line in fileinput.input():
    ty, addr, rest = line.split(' ', 2)
    if ty not in data:
        continue
    data[ty][addr].append(line.rstrip())

for ty, entries in data.iteritems():
    print(ty)
    for addr, lines in entries.iteritems():
        if len(lines) > 1:
            print('\n'.join(sorted(lines)))
            print('')
    print('')