View Compilation Error

0_0_35824955_31299.cpp:1:14: error: 'node' was not declared in this scope
 bool compare(node b,node c)
              ^
0_0_35824955_31299.cpp:1:21: error: 'node' was not declared in this scope
 bool compare(node b,node c)
                     ^
0_0_35824955_31299.cpp:1:27: error: expression list treated as compound expression in initializer [-fpermissive]
 bool compare(node b,node c)
                           ^
0_0_35824955_31299.cpp:2:1: error: expected ',' or ';' before '{' token
 {
 ^