The following code is in C: 1. Given the following structure and variable definitions, struct faculty { char lastName[ 20 ]; char firstName[ 20 ]; char* sis_username; unsigned int sis_id_number; struct { char phoneNumber[ 11 ]; char address[ 60 ]; char city[ 20 ]; char state[ 3 ]; char zipCode[ 6 ]; } personal_address; } facultyRecord, *facultyPtr; facultyPtr = &facultyRecord;

Write an expression that can be used to access the structure members in each of the following parts: a) Member firstName of structure facultyRecord. b) Member lastName of the structure pointed to by facultyPtr. c) Member sis_id_number of structure facultyRecord. d) Member sis_id_number of the structure pointed to by facultyPtr.