File: wordsize.h

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glibc 2.28-7
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/* Determine the wordsize from the preprocessor defines.  */

#if defined __x86_64__ && !defined __ILP32__
# define __WORDSIZE	64
#else
# define __WORDSIZE	32
#define __WORDSIZE32_SIZE_ULONG		0
#define __WORDSIZE32_PTRDIFF_LONG	0
#endif

#ifdef __x86_64__
# define __WORDSIZE_TIME64_COMPAT32	1
/* Both x86-64 and x32 use the 64-bit system call interface.  */
# define __SYSCALL_WORDSIZE		64
#else
# define __WORDSIZE_TIME64_COMPAT32	0
#endif