feat(sockutls): Add initial support for socket helpers

components/sock_utils/include/netdb_macros.h

@@ -0,0 +1,34 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#ifndef NI_NUMERICHOST
+#define NI_NUMERICHOST  0x1
+#endif
+
+#ifndef IFF_UP
+#define IFF_UP          0x1
+#endif
+
+#ifndef IFF_LOOPBACK
+#define IFF_LOOPBACK    0x8
+#endif
+
+#ifndef NI_NUMERICSERV
+#define NI_NUMERICSERV  0x8
+#endif
+
+#ifndef NI_DGRAM
+#define NI_DGRAM        0x00000010
+#endif
+
+#ifndef EAI_BADFLAGS
+#define EAI_BADFLAGS    3
+#endif
+
+#ifndef AF_UNIX
+#define AF_UNIX         1
+#endif