+\layout Subsubsection*
+
+Plugin deregistration
+\layout Standard
+
+SMFS provide following method for deregistration:
+\layout LyX-Code
+
+void * smfs_deregister_plugin (int type);
+\layout Standard
+
+SMFS will return private plugin data from struct smfs_plugin in case of
+ successfull registration or NULL pointer otherwise.
+