SFF_VENDOR_DATE_SIZE
uint8_t buf[SFF_VENDOR_DATE_SIZE];
read_i2c(ii, addr, off, SFF_VENDOR_DATE_SIZE, buf);
char buf[SFF_VENDOR_DATE_SIZE];
SFF_VENDOR_DATE_SIZE, buf);
char date[SFF_VENDOR_DATE_SIZE + 5]; /**< formatted vendor date */