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Home/ Questions/Q 1046691
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Editorial Team
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Editorial Team
Asked: May 16, 20262026-05-16T16:11:11+00:00 2026-05-16T16:11:11+00:00

Where is ptrdiff_t defined in C?

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Where is ptrdiff_t defined in C?

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  1. Editorial Team
    Editorial Team
    2026-05-16T16:11:11+00:00Added an answer on May 16, 2026 at 4:11 pm

    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.

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