recv_common.c: Improve documentation of check_receiver_arg().

Drop meaningless "and further are present", and note that the "real"
type of the returned pointer depends on the receiver.

diff --git a/recv_common.c b/recv_common.c
index 58d4ca2bd66ec1aa212435c2c15dd62781208421..2d6aa74a55063da799f35d1b9abbe07b33aa59b4 100644 (file)
--- a/recv_common.c
+++ b/recv_common.c
@@ -50,19 +50,19 @@ static void *parse_receiver_args(int receiver_num, char *options)
 }
 
 /**
- * check if given string is a valid command line for any receiver
+ * Check if the given string is a valid receiver specifier.
  *
  * \param \ra string of the form receiver_name:options
  * \param receiver_num contains the number of the receiver upon success
  *
  * This function checks whether \a ra starts with the name of a supported
  * paraslash receiver, optinally followed by a colon and any options for that
- * receiver. If a valid receiver name was found and further are present, the
- * remaining part of \a ra is passed to that receiver's config parser.
+ * receiver. If a valid receiver name was found the remaining part of \a ra is
+ * passed to the receiver's config parser.
  *
- * \return On success, a pointer to the gengetopt args info struct is returned
- * and \a receiver_num contains the number of the receiver. Otherwise this function
- * returns \p NULL.
+ * \return On success, a pointer to the receiver-specific gengetopt args info
+ * struct is returned and \a receiver_num contains the number of the receiver.
+ * On errors, the function returns \p NULL.
  */
 void *check_receiver_arg(char *ra, int *receiver_num)
 {