/in/foo.c: In function 'MergeSubs':
/in/foo.c:55:6: warning: unused variable 'm' [-Wunused-variable]
  int m = n;
      ^
/in/foo.c: In function 'Thelast':
/in/foo.c:32:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^