/in/foo.c: In function 'main':
/in/foo.c:34:38: error: expected ')' before '\U0000ff0cx'
   34 |                 printf("%d是回文数\n"，x);
      |                       ~              ^~~
      |                                      )
/in/foo.c:34:26: warning: format '%d' expects a matching 'int' argument [-Wformat=]
   34 |                 printf("%d是回文数\n"，x);
      |                         ~^
      |                          |
      |                          int
/in/foo.c: At top level:
/in/foo.c:42:1: error: expected identifier or '(' before '}' token
   42 | }
      | ^