char *blobmsg_format_json(struct blob_attr *attr);
+#define blobmsg_for_each_attr(pos, attr, rem) \
+ for (rem = blobmsg_data_len(attr), pos = blobmsg_data(attr); \
+ (blob_pad_len(pos) <= rem) && \
+ (blob_pad_len(pos) >= sizeof(struct blob_attr)); \
+ rem -= blob_pad_len(pos), pos = blob_next(pos))
+
#endif