Relationship between C Pointers and Arrays

Marika Lam

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Jun 3, 2022

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Relationship between Arrays and Pointers

• &x[0] is the same as x because the variable name ‘x’ points to the first element of the array
• &x[1] is equivalent to x+1 and x[1] is equivalent to *(x+1).
• &x[2] is equivalent to x+2 and x[2] is equivalent to *(x+2).
• Basically, &x[i] is equivalent to x+i and x[i] is equivalent to *(x+i).
• Array names decay to pointers, which means all array names are converted to pointers.

The difference of Array vs. Pointer