#define SCHAR_MAX 0x7f /* min value for a signed char */
#define UCHAR_MAX 0xff /* max value for an unsigned char */
#define CHAR_MAX 0x7f /* max value for a char */
#define SCHAR_MAX 0x7f /* min value for a signed char */
#define UCHAR_MAX 0xff /* max value for an unsigned char */
#define CHAR_MAX 0x7f /* max value for a char */