/in/foo.cc: In function 'int lcainit(int)':
/in/foo.cc:49:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:126:19: warning: unused variable 'tl' [-Wunused-variable]
   int tfrom, tto, tl;
                   ^~