a. You run the following C application. What are the values of argc and argv? [4 pts] ./my_app file1.csv file2.csv argc = argv[0] = b. When you print to stdout, the I/O operations are buffered. Explain what this means and why the buffering occurs. [4 pts] c. List three ways to get input from the user. [2 pts] d. This program seems to output a different sum each time it runs. Why? [4 pts] #include int main(void) { } int arr[10000]; int sum; int i; for (i = 0; i < 10000; ++i) { sum += arr[i]; printf("%d ", sum); return 0;