171 **			  the file name extension.
252 **  SMDB_ADD_EXTENSION -- Adds an extension to a file name.
255 **	is room and the db_name does not already have that extension.
261 **		extension -- The extension to add.
270 smdb_add_extension(full_name, max_full_name_len, db_name, extension)  in smdb_add_extension()  argument
274 	char *extension;
279 	if (full_name == NULL || db_name == NULL || extension == NULL)
282 	extension_len = strlen(extension);
290 	    strcmp(&db_name[db_name_len - extension_len], extension) != 0)
292 				   db_name, extension);
305 **		db_name -- The name of the database without extension.
308 **		extension -- The extension for the file.
315 smdb_lock_file(lock_fd, db_name, mode, sff, extension)  in smdb_lock_file()  argument
320 	char *extension;
326 				    extension);
416 **		db_name -- The name of the database without extension.
417 **		extension -- The extension.
428 smdb_setup_file(db_name, extension, mode_mask, sff, user_info, stat_info)  in smdb_setup_file()  argument
430 	char *extension;
441 				    extension);
461 **		db_name -- The name of the database without extension.
462 **		extension -- The extension.
470 smdb_filechanged(db_name, extension, db_fd, stat_info)  in smdb_filechanged()  argument
472 	char *extension;
480 				    extension);
490 **		ext - also show extension?