skip_ipv6_addrs
if ((cl_list = split_at(skip_ipv6_addrs(sv_list), ':')) == 0) {
sh_cmd = split_at(skip_ipv6_addrs(cl_list), ':');
if ((cl_list = split_at(skip_ipv6_addrs(sv_list), ':')) == 0) {
sh_cmd = split_at(skip_ipv6_addrs(cl_list), ':');
extern char *skip_ipv6_addrs(); /* skip over colons in IPv6 addrs */