* This ignore case
*
* @ch: Character to convert (expects '0'..'9', 'a'..'f' or 'A'..'F')
- * @return value of digit (0..0xf) or 255 if the character is invalid
+ * Return: value of digit (0..0xf) or 255 if the character is invalid
*/
static uint decode_digit(int ch)
{