View Compilation Error

0_0_34375071_12540.cpp:5:9: error: 'a' was not declared in this scope
 int max(a,b){
         ^
0_0_34375071_12540.cpp:5:11: error: 'b' was not declared in this scope
 int max(a,b){
           ^
0_0_34375071_12540.cpp:5:12: error: expression list treated as compound expression in initializer [-fpermissive]
 int max(a,b){
            ^
0_0_34375071_12540.cpp:5:13: error: expected ',' or ';' before '{' token
 int max(a,b){
             ^