What does malloc () calloc () realloc () free () do?

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can u suggest me am in a confusion to choose whether to go to c programming or a software testing . am a graduate in B.sc(electronics).

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What is a function simple definition?

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Differentiate between ordinary variable and pointer in c.

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Explain what is #line used for?

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Given an array of characters which form a sentence of words, give an efficient algorithm to reverse the order of the words (not characters) in it?

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What does %2f mean in c?

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Why we write conio h in c?

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What is dynamic dispatch in c++?

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What is the purpose of the following code? Is there any problem with the code? void send(int count, short *to, short *from) { /* count > 0 assumed */ register n = (count + 7) / 8; switch (count % 8) { case 0: do { *to = *from++; case 7: *to = *from++; case 6: *to = *from++; case 5: *to = *from++; case 4: *to = *from++; case 3: *to = *from++; case 2: *to = *from++; case 1: *to = *from++; } while (--n > 0); } }

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What is the difference between printf and scanf )?

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If one class contains another class as a member, in what order are the two class constructors called a) Constructor for the member class is called first b) Constructor for the member class is called second c) Only one of the constructors is called d) all of the above

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