X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Frfc822%2Frfc822.h;h=24fb3cc37e74e2b58a8a0a1f4d00225708fe9d95;hb=ca6991d861a02d1da8d51f71607a4d9d8e145850;hp=1170c113e92a236f149e677d45024980574a8cdb;hpb=4be05500e605ccc0a68f1d3704c12ffd03cf2dfb;p=ccan

diff --git a/ccan/rfc822/rfc822.h b/ccan/rfc822/rfc822.h
index 1170c113..24fb3cc3 100644
--- a/ccan/rfc822/rfc822.h
+++ b/ccan/rfc822/rfc822.h
@@ -168,4 +168,22 @@ struct bytestring rfc822_header_raw_value(struct rfc822_msg *msg,
 struct bytestring rfc822_header_unfolded_value(struct rfc822_msg *msg,
 					       struct rfc822_header *hdr);
 
+/**
+ * rfc822_header_is - determine if a header is of a given name
+ * @msg: message
+ * @hdr: a header handle
+ * @name: header name
+ *
+ * This returns true if the header field @hdr has name @name (case
+ * insensitive), otherwise false.
+ */
+bool rfc822_header_is(struct rfc822_msg *msg, struct rfc822_header *hdr,
+		      const char *name);
+
+struct rfc822_header *rfc822_first_header_of_name(struct rfc822_msg *msg,
+						  const char *name);
+struct rfc822_header *rfc822_next_header_of_name(struct rfc822_msg *msg,
+						 struct rfc822_header *hdr,
+						 const char *name);
+
 #endif /* CCAN_RFC822_H_ */