struct nlmsghdr *n,void*arg){structrtattr*tb[CTRL_ATTR_MAX+ 1];structgenlmsghdr*ghdr=NLMSG_DATA(n);intlen = n->nlmsg_len;structrtattr*attrs;FILE *fp = (FILE *) arg; __u32 ctrl_v =0x1;if(n->nlmsg_type != GENL_ID_CTRL) {fprintf(stderr,"Not a controller message, nlmsg_len...