+
+int in_addr_from_string_auto(const char *s, int *family, union in_addr_union *ret) {
+ int r;
+
+ assert(s);
+ assert(family);
+ assert(ret);
+
+ r = in_addr_from_string(AF_INET, s, ret);
+ if (r >= 0) {
+ *family = AF_INET;
+ return 0;
+ }
+
+ r = in_addr_from_string(AF_INET6, s, ret);
+ if (r >= 0) {
+ *family = AF_INET6;
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+static const char* const family_table[] = {
+ [AF_UNSPEC] = "unspec",
+ [AF_UNIX] = "unix",
+ [AF_INET] = "inet",
+ [AF_INET6] = "inet6",
+ [AF_NETLINK] = "netlink",
+ [AF_PACKET] = "packet",
+ [AF_BLUETOOTH] = "bluetooth",
+ [AF_NFC] = "nfc",
+};
+DEFINE_STRING_TABLE_LOOKUP(family, int);