foo.c: In function 'main':
foo.c:7:17: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[10000]' [-Wformat=]
    7 |         scanf("%s", &s1);
      |                ~^   ~~~
      |                 |   |
      |                 |   char (*)[10000]
      |                 char *
foo.c:8:17: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[10000]' [-Wformat=]
    8 |         scanf("%s", &s2);
      |                ~^   ~~~
      |                 |   |
      |                 |   char (*)[10000]
      |                 char *
foo.c:9:9: warning: 'gets' is deprecated [-Wdeprecated-declarations]
    9 |         gets(s1);
      |         ^~~~
In file included from foo.c:2:
/nix/store/rffag931pvbdiabwwa539wnwg1piqpx0-glibc-2.35-163-dev/include/stdio.h:605:14: note: declared here
  605 | extern char *gets (char *__s) __wur __attribute_deprecated__;
      |              ^~~~
foo.c:10:9: warning: 'gets' is deprecated [-Wdeprecated-declarations]
   10 |         gets(s2);
      |         ^~~~
In file included from foo.c:2:
/nix/store/rffag931pvbdiabwwa539wnwg1piqpx0-glibc-2.35-163-dev/include/stdio.h:605:14: note: declared here
  605 | extern char *gets (char *__s) __wur __attribute_deprecated__;
      |              ^~~~
/nix/store/jfkmqz20q8fsaqizcml86adxqyzlwllx-binutils-2.38/bin/ld: /tmp/ccGFSNw5.o: in function `main':
foo.c:(.text.startup+0x2f): warning: the `gets' function is dangerous and should not be used.

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