Whitespace and comment cleanups in pen.[ch]

src/libstrongswan/pen/pen.c

@@ -45,4 +45,3 @@ ENUM_NEXT(pen_names, PEN_UNASSIGNED, PEN_RESERVED, PEN_OPENPTS,
 	"Unassigned",
 	"Reserved");
 ENUM_END(pen_names, PEN_RESERVED);
-

src/libstrongswan/pen/pen.h

@@ -29,6 +29,11 @@
 typedef enum pen_t pen_t;
 typedef struct pen_type_t pen_type_t;
 
+/**
+ * Private enterprise numbers allocated by IANA.
+ *
+ * http://www.iana.org/assignments/enterprise-numbers
+ */
 enum pen_t {
 	PEN_IETF =			0x000000,	/*        0 */
 	PEN_IBM =			0x000002,	/*        2 */
@@ -48,7 +53,7 @@ enum pen_t {
 };
 
 /**
- * Vendor specific type
+ * Vendor specific type in vendor specific namespace.
  */
 struct pen_type_t {
 	pen_t vendor_id;
@@ -57,6 +62,10 @@ struct pen_type_t {
 
 /**
  * Create a pen_type_t struct
+ *
+ * @param vendor_id		vendor ID to create a pen_type_t
+ * @param type			type to create a pen_type_t
+ * @return				created pen_type_t
  */
 static inline pen_type_t pen_type_create(pen_t vendor_id, u_int32_t type)
 {