337static inline void
338extract_key(char *key_buf, uint64_t *keynop)
339{
   	
CID 1345809 (#1 of 1): Unchecked return value (CHECKED_RETURN)
1. check_return: Calling sscanf without checking return value (as is done elsewhere 4 out of 5 times).
340        sscanf(key_buf, "%" SCNu64, keynop);
341}