#define _unused __attribute__((unused))
#define _packed __attribute__((packed))
+#define __aligned(n) __attribute__((aligned(n)))
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
uint8_t auxtarget[];
};
+// Include padding after auxtarget to align the next entry
+#define odhcp6c_entry_size(entry) \
+ (sizeof(struct odhcp6c_entry) + (((entry)->auxlen + 3) & ~3))
+
+#define odhcp6c_next_entry(entry) \
+ ((struct odhcp6c_entry *)((uint8_t *)(entry) + odhcp6c_entry_size(entry)))
+
+
struct odhcp6c_request_prefix {
uint32_t iaid;
uint16_t length;
void odhcp6c_clear_state(enum odhcp6c_state state);
void odhcp6c_add_state(enum odhcp6c_state state, const void *data, size_t len);
void odhcp6c_append_state(enum odhcp6c_state state, const void *data, size_t len);
-void odhcp6c_insert_state(enum odhcp6c_state state, size_t offset, const void *data, size_t len);
+int odhcp6c_insert_state(enum odhcp6c_state state, size_t offset, const void *data, size_t len);
size_t odhcp6c_remove_state(enum odhcp6c_state state, size_t offset, size_t len);
void* odhcp6c_move_state(enum odhcp6c_state state, size_t *len);
void* odhcp6c_get_state(enum odhcp6c_state state, size_t *len);