#define FILTER_MAJOR "filter"
// adds a new filter
-typedef bfilter_t* (* PFN_QERPLUG_FILTERADD) (int type, int bmask, char *str, int exclude);
+typedef bfilter_t* (* PFN_QERPLUG_FILTERADD) (int type, int bmask, const char *str, int exclude);
// performs the filtering
typedef void (* PFN_QERPLUG_FILTERACTIVATE) (void);