in6_addr.__in6_u.__u6_addr8 is glibc-specific and named differently in the headers shipped with musl libc for example. The POSIX compliant and universal way of accessing it is in6_addr.s6_addr. --- src/netconfig.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/netconfig.c b/src/netconfig.c index ce95db0b..421270c9 100644 --- a/src/netconfig.c +++ b/src/netconfig.c @@ -171,7 +171,7 @@ static inline char *netconfig_ipv6_to_string(const uint8_t *addr) struct in6_addr in6_addr; char *addr_str = l_malloc(INET6_ADDRSTRLEN); - memcpy(in6_addr.__in6_u.__u6_addr8, addr, 16); + memcpy(in6_addr.s6_addr, addr, 16); if (L_WARN_ON(unlikely(!inet_ntop(AF_INET6, &in6_addr, addr_str, INET6_ADDRSTRLEN)))) { -- 2.30.2