/in/foo.c: In function 'main':
/in/foo.c:14:2: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
  if(x=m)
  ^~
/in/foo.c:6:6: warning: 'n' is used uninitialized in this function [-Wuninitialized]
  int m=n;
      ^