+/**
+ * canque_get_inslot4id - finds best outgoing edge and slot for given ID
+ * @qends: ends structure belonging to calling communication object
+ * @qedgep: place to store pointer to found edge
+ * @slotp: place to store pointer to allocated slot
+ * @cmd: command type for slot
+ * @id: communication ID of message to send into edge
+ * @prio: optional priority of message
+ *
+ * Function looks for the non-blocked outgoing edge accepting messages
+ * with given ID. If edge is found, slot is allocated from that edge.
+ * The edges with non-zero mask are preferred over edges open to all messages.
+ * If more edges with mask accepts given message ID, the edge with
+ * highest priority below or equal to required priority is selected.
+ * Return Value: If there is no usable edge or there is no free slot in edge
+ * negative value is returned.
+ */