foo.cc: In function 'int main()':
foo.cc:7:13: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
    7 |         gets(s1);
      |         ~~~~^~~~
In file included from foo.cc: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.cc:8:13: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
    8 |         gets(s2);
      |         ~~~~^~~~
In file included from foo.cc: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.cc:9:18: warning: format '%d' expects argument of type 'int', but argument 2 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
    9 |         printf("%d %d",strlen(s1), strlen(s2));
      |                 ~^     ~~~~~~~~~~
      |                  |           |
      |                  int         size_t {aka long unsigned int}
      |                 %ld
foo.cc:9:21: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
    9 |         printf("%d %d",strlen(s1), strlen(s2));
      |                    ~^              ~~~~~~~~~~
      |                     |                    |
      |                     int                  size_t {aka long unsigned int}
      |                    %ld
/nix/store/jfkmqz20q8fsaqizcml86adxqyzlwllx-binutils-2.38/bin/ld: /tmp/ccHr1T2w.o: in function `main':
foo.cc:(.text.startup+0xd): warning: the `gets' function is dangerous and should not be used.

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