For each of the following variable definitions, determine whether the statementis valid or invalid. For those that are invalid , explain why .A) int ivar;int *i ptr = &ivar ;B) int ivar, *iptr = &ivar ;C) fl oat fvar;D) int *i ptr = &fvar ;int nums[50], *i ptr = nums;E) int *i ptr = &ivar ;int ivar;

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Types of Function

A function is a process or task that does some operation in the program. Some programming languages may contain built-in functions for certain commonly used tasks. Most programming languages also support user-defined functions, which means a user can write their own function to perform some operation. There are some libraries or header files that contain built-in functions for performing certain tasks.