what is difference between array and structure?

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Explain how can you tell whether a program was compiled using c versus c++?

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Why do we need functions in c?

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Why isn't any of this standardized in c? Any real program has to do some of these things.

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IS it possible to define a zero sized array in c.if it is possible how can the elements of that array can be accessed.array index starts from zero,if it is possible to define zero sized array how can be its first element can be accesseed.

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int n=1; while(1) { switch(n) { case 1:printf("a"); n++; continue; case 2:printf("b"); n++; continue; default : printf("c"); break; } break; }

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What should be keep precautions while using the recursion method?

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why do we use # in c-language?

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the expression a=30*1000+2768; evalutes to a) 32768 b) -32768 c) 113040 d) 0

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I heard that you have to include stdio.h before calling printf. Why?

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What is 2 d array in c?

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What is #line in c?

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