Update doxygen annotations in libosmocore

This adds and improves doxygen API descriptions all over libosmocore,
reducing the 'white spots' that don't have any documentation.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/msgb.c b/src/msgb.c
index 63619130..f09da90d 100644
--- a/src/msgb.c
+++ b/src/msgb.c
@@ -40,6 +40,7 @@ void *tall_msgb_ctx;
 /*! \brief Allocate a new message buffer
  * \param[in] size Length in octets, including headroom
  * \param[in] name Human-readable name to be associated with msgb
+ * \returns dynamically-allocated \ref msgb
  *
  * This function allocates a 'struct msgb' as well as the underlying
  * memory buffer for the actual message data (size specified by \a size)