write in C language

1. Can main be called recursively? Write a simple program that counts and shows the number of times the recursive main is called till infinity (write very short code) 2. Write a program that converts integer Fahrenheit temperatures from 0 to 212 degrees to floating point Celsius temperatures with 3 digits of precision Perform the calculation using the formula Celsius = 5x (Fahrenheit 32) 9 The output should be printed in two right-justified columns of 10 characters each and the Celsius temperatures should be preceded by a sign for both positive and negative values