$8\mathrm{.}10($Function Headers and Prototypes$)$ Perform the task in each of the following statements:

a$)$ Write the function header for function zero that takes a long integer built$-$in array parameter bigIntegers and does not return a value.

b$)$ Write the function prototype for the function in part $($a$).$

c$)$ Write the function header for function add$1$AndSum that takes an integer built$-$in array parameter oneTooSmall and returns an integer.

d$)$ Write the function prototype for the function described in part $($c$).$