C programming, please do 1,2,3

1. (3 pts) Define a struct type that represents a smartphone. The struct should store the following data: model (a character array of size 30), color (a character), and storage space (an integer). The type should be renamed from struct smartphone to Smartphone. 2. (5 pts) Write a function called set_smartphone ), which accepts, a string, a character, an integer, and a pointer to a Smartphone. The function indirectly sets (via the pointer to the Smartphone) each component in the struct to the values passed into the function. The function does not return a value. 3. (7 pts) Write a function recursively_count vowels ( which accepts a pointer to a string, and any other parameters you see fit, and recursively counts the number of vowels in the provided string. This function should return the number of vowels in the string