/in/foo.cc: In function 'int iset(int*, int, int*, int, int*)':
/in/foo.cc:16:6: warning: unused variable 'i' [-Wunused-variable]
  int i=0,k=0;
      ^
/in/foo.cc: In function 'int cp(int*, int, int*)':
/in/foo.cc:30:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^