Interesting C Interview Questions

31. What is formal arguments in c?

Formal arguments are arguments of called functions.

32. What are the different ways to passing arguments to functions?

• Call by Value
• Call by Reference

33. What is recursion?

Recursion is nothing but a function called repetitively by itself is known as recursion. Refer For More C Recursion

34. What are global and local variables?

The local variables are defined within a body of a function. The variables can be accessed only within a function. Other functions cannot access these variables.

The global variables are defined outside any function, so it can be accessed using any function in a program.

Refer For More C Scope

35. What are the different types of functions?

• function without passing arguments and without return types
• function without passing arguments but with return types
• function with passing arguments but without return types
• function with passing arguments and return types

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