On Wed, Dec 06, 2017 at 05:09:32PM +0800, Kai-Heng Feng wrote: > +/* Works only for digits and letters, but small and fast */ > +#define TOLOWER(x) ((x) | 0x20) What is wrong with the in-kernel version of tolower()? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html