Guardian C Library Calls Reference Manual

2-8 128833—Guardian TNS C Library Calls Reference Manual

Summary of Library Header Files

The header limitsh defines object-like macros that describe the representation and limits

of integral types in the C language.

Here are the macros that describe the integral types char, signed char, and unsigned char.

Each macro name is followed by its value and its meaning.

If you have not specified the wide-data model, these macros describe the integral types

int and unsigned int. Each macro name is followed by its value and its meaning.

These macros describe the integral types int and unsigned int for the wide-data model.

Here are the macros that describe the integral types long and unsigned long. Each macro

name is followed by its value and its meaning.

CHAR_BIT

8 Number of bits in a char variable

CHAR_MIN

0 Minimum char value

SCHAR_MIN

-128 Minimum signed char value

CHAR_MAX

255 Maximum char value

SCHAR_MAX

127 Maximum signed char value

UCHAR_MAX

255 Maximum unsigned char value

INT_BIT

16 Number of bits in an int variable

INT_MIN

-32768 Minimum int value

INT_MAX

32767 Maximum int value

UINT_MAX

65535 Maximum unsigned int value

INT_BIT

32 Number of bits in an int variable

INT_MIN

-2147483648 Minimum int value

INT_MAX

2147483647 Maximum int value

UINT_MAX

4294967295 Maximum unsigned int value

LONG_BIT

32 Number of bits in a long variable

LONG_MIN

-2147483648 Minimum long value

LONG_MAX

2147483647 Maximum long value

ULONG_MAX

4294967295 Maximum unsigned long value