/in/foo.c:9:2: error: stray '\357' in program
 }；
  ^
/in/foo.c:9:3: error: stray '\274' in program
 }；
   ^
/in/foo.c:9:4: error: stray '\233' in program
 }；
    ^
/in/foo.c:11:1: error: expected ';', identifier or '(' before 'struct'
 struct TreeNode* createNode(int key)
 ^~~~~~