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C programming

We pass the address of x to the function scanf. The function scanf now knows where the computer stores x¡¦s value. When the function obtains a value from standard input, it can store the value in that location. Thus scanf can indirectly alter the value of x.

Assign to ptr a pointer to a block of memory of dim * ElSize number of bytes or assign NULL if allocation unsuccessful. Initialize locations to 0.

Change the size of block pointed to by old_ptr to BlockSize number of b...

Posted by: Shelia Olander

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