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#ifndef _STDDEF_H
#define _STDDEF_H
/* Signed type of difference of two pointers. */
typedef long int ptrdiff_t;
/* Unsigned type of `sizeof' something. */
typedef unsigned long int size_t;
/* Wide character type.
Locale-writers should change this as necessary to
be big enough to hold unique values not between 0 and 127,
and not (wchar_t) -1, for each defined multibyte character. */
typedef int wchar_t;
/* A null pointer constant. */
/* in case <stdio.h> has defined it. */
#undef NULL
#define NULL ((void *)0)
/* Offset of member MEMBER in a struct of type TYPE. */
#define offsetof(TYPE, MEMBER) ((size_t)&((TYPE *)0)->MEMBER)
#endif /* _STDDEF_H */
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