View Compilation Error

0_0_18880572_23443.cpp:30:9: error: 'CTx' was not declared in this scope
 int cmp(CTx,y)  
         ^
0_0_18880572_23443.cpp:30:13: error: 'y' was not declared in this scope
 int cmp(CTx,y)  
             ^
0_0_18880572_23443.cpp:30:14: error: expression list treated as compound expression in initializer [-fpermissive]
 int cmp(CTx,y)  
              ^
0_0_18880572_23443.cpp:31:1: error: expected ',' or ';' before '{' token
 {  
 ^