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Asked: 2026-06-05T02:48:07+00:00

What would following typedef mean, and why would it be required typedef unsigned long

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What would following typedef mean, and why would it be required

typedef unsigned long int ULONG;

how different is it from 

typedef unsigned long ULONG;

For gcc sizeof int = 4, sizeof long = 8, and sizeof ULONG = 8.

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1 Answer

  1. Editorial Team

    They are the same. Because long is a modifier for an int by default, int can be omitted. The same goes for short and short int, unsigned and unsigned int, etc.

    The essential thing to understand here is that long, short and unsigned are type modifiers, not types themselves, unlike int, char, double, etc.

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