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CHow many bytes will this statement allocate on a 64-bit machine?malloc(sizeof(int) * 4)

Question

CHow many bytes will this statement allocate on a 64-bit machine?malloc(sizeof(int) * 4)

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Solution

The malloc(sizeof(int) * 4) statement will allocate 16 bytes on a 64-bit machine. Here's the step-by-step explanation:

  1. sizeof(int): This is a function in C that returns the size of the data type. On a 64-bit machine, the size of an integer is typically 4 bytes.

  2. sizeof(int) * 4: This multiplies the size of an integer (4 bytes) by 4, which equals 16 bytes.

  3. malloc(sizeof(int) * 4): This is a function in C that dynamically allocates memory. In this case, it's allocating 16 bytes of memory.

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