Max size of an INT

This is a discussion on Max size of an INT within the C Programming forums, part of the General Programming Boards category; complier is Dev-C++ Ver 4. Just wondering if anyone knew the max size of a regular int with this complier?...

  1. #1
    & the hat of GPL slaying Thantos's Avatar
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    Max size of an INT

    complier is Dev-C++ Ver 4.
    Just wondering if anyone knew the max size of a regular int with this complier?

  2. #2
    & the hat of GPL slaying Thantos's Avatar
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    thanks

  3. #3
    Its not rocket science vasanth's Avatar
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    Originally posted by Thantos
    thanks
    it depends from compiler to compiler (and also the system).. for example in DOS based 16 bit.. it is smaller than windows based.. you can use MAX_INT in limits.h

  4. #4
    Just Lurking Dave_Sinkula's Avatar
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    >you can use MAX_INT in limits.h

    I think you mean INT_MAX.
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  5. #5
    Code Goddess Prelude's Avatar
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    >you can use MAX_INT in limits.h
    INT_MAX, not MAX_INT

    >it depends from compiler to compiler (and also the system)..
    Actually, it depends primarily on the system. C is designed to be very fast, which basically means that compiler writers are free to use the machine's natural word size for int instead of changing things in the compiler to meet language requirements. If the machine has 16 bit words, the compiler will use 16 bit words, if the machine has 32 bit words, the compiler will use 32 bit words all in the name of efficiency and simplicity on the compiler writer's part.
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  6. #6
    Its not rocket science vasanth's Avatar
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    Originally posted by Prelude
    >you can use MAX_INT in limits.h
    INT_MAX, not MAX_INT

    >it depends from compiler to compiler (and also the system)..
    Actually, it depends primarily on the system. C is designed to be very fast, which basically means that compiler writers are free to use the machine's natural word size for int instead of changing things in the compiler to meet language requirements. If the machine has 16 bit words, the compiler will use 16 bit words, if the machine has 32 bit words, the compiler will use 32 bit words all in the name of efficiency and simplicity on the compiler writer's part.
    thanx... i thought the compilers were built based on the system ..

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