NETLINK_CB 34 include/linux/netlink.h #define NETLINK_CREDS(skb) (&NETLINK_CB((skb)).creds) NETLINK_CB 468 include/net/netlink.h return nlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NETLINK_CB 562 include/net/netlink.h NETLINK_CB(skb).dst_group = group;