#! /usr/bin/awk -f

# nfnetlink.h && netlink.h

{ if (/^(struct nfnl_callback|extern int netlink_dump)/) { check=1 } }
{ if (check == 1 && /(^};|...\);)/) { check=0 } }

{ if (check == 1 && /const struct nlmsghdr/) { print "const" } }