foo.c: In function 'Length':
foo.c:7:19: error: stray '\357' in program
    7 |  printf("%d ",len)；
      |                   ^
foo.c:7:20: error: stray '\274' in program
    7 |  printf("%d ",len)；
      |                    ^
foo.c:7:21: error: stray '\233' in program
    7 |  printf("%d ",len)；
      |                     ^
foo.c:7:19: error: expected ';' before 'return'
    7 |  printf("%d ",len)；
      |                   ^
      |                   ;
    8 |   return 0;
      |   ~~~~~~           
foo.c: In function 'main':
foo.c:13:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
   13 |     gets(s1);
      |     ^~~~
In file included from /usr/include/stdio.h:867,
                 from foo.c:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:235:1: note: declared here
  235 | gets (char *__str)
      | ^~~~
foo.c:14:2: warning: 'gets' is deprecated [-Wdeprecated-declarations]
   14 |  gets(s2);
      |  ^~~~
In file included from /usr/include/stdio.h:867,
                 from foo.c:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:235:1: note: declared here
  235 | gets (char *__str)
      | ^~~~
foo.c:13:5: warning: ignoring return value of 'gets', declared with attribute warn_unused_result [-Wunused-result]
   13 |     gets(s1);
      |     ^~~~~~~~
foo.c:14:2: warning: ignoring return value of 'gets', declared with attribute warn_unused_result [-Wunused-result]
   14 |  gets(s2);
      |  ^~~~~~~~

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