Solution 1:
It's defined in stddef.h.
That header defines the integral types size_t, ptrdiff_t, and wchar_t, the functional macro offsetof, and the constant macro NULL.
Where is ptrdiff_t defined in C?
Solution 1:
It's defined in stddef.h.
That header defines the integral types size_t, ptrdiff_t, and wchar_t, the functional macro offsetof, and the constant macro NULL.