static int instance_from_socket(int fd, unsigned nr, char **instance) {
socklen_t l;
char *r;
- union {
- struct sockaddr sa;
- struct sockaddr_un un;
- struct sockaddr_in in;
- struct sockaddr_in6 in6;
- struct sockaddr_storage storage;
- } local, remote;
+ union sockaddr_union local, remote;
assert(fd >= 0);
assert(instance);