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limits.h 1.5KB

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  1. #ifndef LIMITS_H
  2. #define LIMITS_H 1
  3. FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
  4. /* Number of bits in a `char' */
  5. #define CHAR_BIT 8
  6. /* Minimum and maximum values a `signed char' can hold */
  7. #define SCHAR_MIN (-128)
  8. #define SCHAR_MAX 127
  9. /* Maximum value an `unsigned char' can hold. (Minimum is 0.) */
  10. #define UCHAR_MAX 255
  11. /* Minimum and maximum values a `char' can hold */
  12. #define CHAR_MIN SCHAR_MIN
  13. #define CHAR_MAX SCHAR_MAX
  14. /* Minimum and maximum values a `signed short int' can hold */
  15. #define SHRT_MIN (-32768)
  16. #define SHRT_MAX 32767
  17. /* Maximum value an `unsigned short' can hold. (Minimum is 0.) */
  18. #define USHRT_MAX 65535
  19. /* Minimum and maximum values a `signed int' can hold */
  20. #define INT_MIN (-INT_MAX - 1)
  21. #define INT_MAX 2147483647
  22. /* Maximum value an `unsigned int' can hold. (Minimum is 0.) */
  23. #define UINT_MAX 4294967295U
  24. /* Minimum and maximum values a `signed int' can hold */
  25. #define INT_MAX 2147483647
  26. #define INT_MIN (-INT_MAX - 1)
  27. /* Maximum value an `unsigned int' can hold. (Minimum is 0.) */
  28. #define UINT_MAX 4294967295U
  29. /* Minimum and maximum values a `signed long' can hold */
  30. #define LONG_MAX 2147483647
  31. #define LONG_MIN (-LONG_MAX - 1L)
  32. /* Maximum value an `unsigned long' can hold. (Minimum is 0.) */
  33. #define ULONG_MAX 4294967295UL
  34. /* Minimum and maximum values a `signed long long' can hold */
  35. #define LLONG_MAX 9223372036854775807LL
  36. #define LLONG_MIN (-LONG_MAX - 1LL)
  37. /* Maximum value an `unsigned long long' can hold. (Minimum is 0.) */
  38. #define ULLONG_MAX 18446744073709551615ULL
  39. #endif /* LIMITS_H */