Does the size of “long” and “long long” data types vary from a compiler or bit of an operating system in the C language?

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Wasif Siddiqui

no
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Sr. Software Engineer at Bureau Veritas, former Sr. Software Consultant at Aptech Malviynagar

Yes there may be a chance. because these types are given at the time when we were using 8bits or 16 bits processor.so it may be change compiler to compiler.
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Expert Software Leader

Yes.it won't differ in Windows but differs in Linux,Solaris and Six.please use sizeof(long) and check it in the programme.
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