CODE IN C /** * Function: extract_window * Description: populates 2D array windo

Question

CODE IN C
/**
* Function: extract_window
* Description: populates 2D array window with sub-matrix
*               of landscape 2D array starting at column
*               start_col.
*               Returns 1 on success, 0 on failure.
*               Fails when start_col is not valid -- i.e.,
*               specifies a window not contained in the
*               landscape.
*
* Note: nrows applies to both the landscape and the window.
*/
extern int extract_window(char landscape[][L_WIDTH],
                                char window[][W_WIDTH],
                                int nrows, int start_column);

Explanation / Answer

void main()
{
    int arr[3][3], i, j, sum=0;

    for(i=0;i<3;i++)
    {
        for(j=0;j<3;j++)
        {
            printf(

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