The language is C

Problem 22. (1 pnt) Write a function declaration for a subroutine mysub( ) that receives a FILE pointer as input and returns a float value.

Problem 23. (5 pnts) Write a function definition for a subroutine mysub( ) that receives two strings as input and returns an integer 1 if the second string is completely contained anywhere within the first string, and that returns an integer 0 if it is not.