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Update. * sunrpc/clnt_udp.c (is_network_up): Use getifaddrs instead of ioctl. * sunrpc/get_myaddr.c (get_myaddress): Likewise. * sunrpc/pmap_clnt.c (__get_myaddress): Likewise. * sunrpc/pmap_rmt.c (getbroadcastnets): Likewise. Change interface to avoid buffer overrun and remove now useless parameters. (clnt_broadcast): Adjust caller. [BZ #381].