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lab3.cpp:117: error: variable or field `showrentals' declared void
lab3.cpp:117: error: initializer expression list treated as compound expression
lab3.cpp:120: error: jump to case label
lab3.cpp:117: error: crosses initialization of `int showrentals'
lab3.cpp:123: error: jump to case label
lab3.cpp:117: error: crosses initialization of `int showrentals'
lab3.cpp:127: error: jump to case label
lab3.cpp:117: error: crosses initialization of `int showrentals'
lab3.cpp:130: error: jump to case label
lab3.cpp:117: error: crosses initialization of `int showrentals'