Program Requirements

$1.$ Print Array Elements $(-$p$)$ : This option prints all the elements of the input array in the order on the command line. in reverse order

$2.$ Calculate Sum of Array Elements $(-$s$)$ : This option calculates the sum of all elements in the input array.

$3.$ Find Maximum Value $(-$m$)$ : This option finds the maximum value among all elements in the input array.

$4.$ Print Prime Numbers $(-$c$)$ : This option prints all the prime numbers present in the input array or NONE to denote there are no prime numbers.

$5.$ Program dynamically allocates memory for the input array using malloc. This allows it to handle arrays of different sizes without a fixed limit$.$

$6.$ The program checks if the minimum required arguments are provided. If not, it prints the usage information and exits with an error code.

$7.$ If fewer array elements are provided than the specified array size, the remaining elements are initialized to $0.$