/in/foo.c: In function 'Diff':
/in/foo.c:35:6: warning: unused variable 'i' [-Wunused-variable]
  int i=daxie(s)-Count(s);
      ^
/in/foo.c: In function 'main':
/in/foo.c:43:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(s1) ;
     ^~~~
In file included from /in/foo.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/in/foo.c:44:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(s2) ;
     ^~~~
In file included from /in/foo.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/in/foo.c: In function 'Diff':
/in/foo.c:36:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
/tmp/ccXMCSIa.o: In function `main':
foo.c:(.text.startup+0xb): warning: the `gets' function is dangerous and should not be used.