40.Describe various control structures available in 'C'. (Dec 2018[R18]) Distinguish between all Loops statements along with a flow chart and with an exampleprogram. (May/Jun 2019[R18]) 41. What are command Line arguments explain briefly. (Dec 2019 [R18]) Write brief note on command Line arguments.. (May/Jun 2019[R16])Discuss about command line arguments. (Jan-2020[R18]) 43.What are the scope rules in C. (May/Jun 2019 [R16])