1. Complete the following statements: a. Execution always begins at the first statement in the function, but other functions are executed only when they are b. Once a value-returning function computes the value, the function returns this value via the statement. c. Function prototype is a function heading without the of the function. d. A pointer variable is used to store the of another variable that is of the same datatype. e. / function of the string class can be used to delete all characters in a given string variable. f. A member variable can be accessed from outside the class. g. Function is the C++ feature that allows multiple functions to have the same name but provide a different result depending on the parameter list. h. The of a variable specifies where and when the variable can be accessed