+/**
+ * @file
+ *
+ * Error handling in libsigrok.
+ */
+
+/**
+ * @defgroup grp_error Error handling
+ *
+ * Error handling in libsigrok.
+ *
+ * libsigrok functions usually return @ref SR_OK upon success, or a negative
+ * error code on failure.
+ *
+ * @{
+ */
+