memoryManip.c

/* 
 * File:   main.c
 * Author: Ryan
 *
 * Created on September 6, 2014, 1:01 PM
 */

#include <stdio.h>
#include <stdlib.h>

/*
 * data[] is the input array
 * result[][] is the output array
 * 
 * dSize is number of data elements in data[]
 * rSize is number of data elements in result[]
 * rVolume is number of data elememnts in result[][]
 */
int main(int argc, char** argv) {
    int debug = 1,
        data[] = {1,2,3,4},
        dSize = ((long)(&data+1) - (long)(&data)) / sizeof data[0], // Cast memory address to appropriate length (architecture dependant) and divide by data element size
        //dSize = sizeof data / sizeof data[0], // Standard sizeof statement
        rSize = 2 * dSize - 1,
        result[rSize][rSize],
        rVolume = ((long)(&result+1) - (long)(&result)) / sizeof (int);
        //rVolume = sizeof result / sizeof result[0][0];

    if (debug) { printf("data[] size: %d, result[][] volume: %d",dSize,rVolume); };
    
    return (EXIT_SUCCESS);
}

/**
 * RUN OUTPUT:
 *
 * data[] size: 4, result[][] volume: 49
 * RUN SUCCESSFUL (total time: 23ms)
 */