/in/foo.c: In function 'main':
/in/foo.c:29:5: error: 'xiaobiao' undeclared (first use in this function); did you mean 'xiabiao'?
     xiaobiao++;
     ^~~~~~~~
     xiabiao
/in/foo.c:29:5: note: each undeclared identifier is reported only once for each function it appears in
/in/foo.c: At top level:
/in/foo.c:41:1: error: expected identifier or '(' before '}' token
 }
 ^