Use one file per class.

src/XMPPIQ.h

@@ -0,0 +1,26 @@
+#import "XMPPStanza.h"
+
+/**
+ * \brief A class describing a IQ stanza
+ */
+@interface XMPPIQ: XMPPStanza
+/**
+ * Creates a new XMPPIQ with a certain type and id
+ *
+ * \param type The value for the stanza's type attribute
+ * \param ID The value for the stanza's id attribute
+ * \return A new autoreleased XMPPIQ
+ */
++ IQWithType: (OFString*)type
+	  ID: (OFString*)ID;
+
+/**
+ * Initializes an already allocated XMPPIQ with a certain type and id
+ *
+ * \param type The value for the stanza's type attribute
+ * \param ID The value for the stanza's id attribute
+ * \return A initialized XMPPIQ
+ */
+- initWithType: (OFString*)type
+	    ID: (OFString*)ID;
+@end