foo.cc: In function 'int main()':
foo.cc:72:13: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
   72 |         gets(str);
      |         ~~~~^~~~~
In file included from /nix/store/wy4ywjsch9q2hj5lphqjdg9p2kf7w0ls-gcc-11.3.0/include/c++/11.3.0/cstdio:42,
                 from foo.cc:17:
/nix/store/iczlqwdj10xiz3mmms6adnra0mn3ljk1-glibc-2.35-224-dev/include/stdio.h:605:14: note: declared here
  605 | extern char *gets (char *__s) __wur __attribute_deprecated__;
      |              ^~~~
/nix/store/9n9gjvzci75gp2sh1c4rh626dhizqynl-binutils-2.39/bin/ld: /tmp/cchfdugi.o: in function `main':
foo.cc:(.text.startup+0x56): warning: the `gets' function is dangerous and should not be used.

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