/in/foo.c: In function 'function':
/in/foo.c:10:2: error: expected ',' or ';' before 'while'
  while(y)
  ^~~~~
/in/foo.c:9:7: warning: unused variable 'max' [-Wunused-variable]
  long max=1000000
       ^~~
/in/foo.c: In function 'main':
/in/foo.c:39:20: error: 'max' undeclared (first use in this function)
   if(cat[go].k==2) max=243;
                    ^~~
/in/foo.c:39:20: note: each undeclared identifier is reported only once for each function it appears in