* @param text A format string containing text to send
* @param ... Format arguments
*/
- void WriteToSnoMask(char letter, const char* text, ...);
+ void WriteToSnoMask(char letter, const char* text, ...) CUSTOM_PRINTF(3, 4);
/** Called once per 5 seconds from the mainloop, this flushes any cached
* snotices. The way the caching works is as follows: