audk/StdLib/Include/X64/machine/limits.h

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#include <x86/limits.h>
#define __POINTER_BIT 64
#if defined(__GNUC__)
#define __LONG_BIT 64
/** minimum value for an object of type long int **/
#define __LONG_MIN (-9223372036854775807LL - 1LL) // -(2^63 - 1)
/** maximum value for an object of type long int **/
#define __LONG_MAX +9223372036854775807LL // 2^63 - 1
/** maximum value for an object of type unsigned long int **/
#define __ULONG_MAX 0xFFFFFFFFFFFFFFFFULL // 2^64 - 1
#else
#define __LONG_BIT 32
/** minimum value for an object of type long int **/
#define __LONG_MIN (-2147483647L - 1L) // -(2^31 - 1)
/** maximum value for an object of type long int **/
#define __LONG_MAX +2147483647L // 2^31 - 1
/** maximum value for an object of type unsigned long int **/
#define __ULONG_MAX 0xffffffff // 2^32 - 1
#endif