__UCHAR_MAX
#define __UCHAR_MAX 0xff /* max value for an unsigned char */
#define __UCHAR_MAX 0xff /* max value for an unsigned char */
#define __UCHAR_MAX 0xff /* max value for an unsigned char */
#define __UCHAR_MAX 0xff /* max value for an unsigned char */
#define __UCHAR_MAX 0xff /* max value for an unsigned char */