foo.cc: In function 'void l(char*, int, int)':
foo.cc:5:14: warning: statement has no effect [-Wunused-value]
5 | for (l; s[l] != '\0'; l++)
| ^
foo.cc:7:12: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
7 | if (si < l)
| ^
foo.cc: In function 'int main()':
foo.cc:18:13: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
18 | gets(s);
| ~~~~^~~
In file included from /nix/store/jgdz5wfqc6q6qhy17lsqnfpbkfi1fcar-gcc-12.2.0/include/c++/12.2.0/cstdio:42,
from /nix/store/jgdz5wfqc6q6qhy17lsqnfpbkfi1fcar-gcc-12.2.0/include/c++/12.2.0/ext/string_conversions.h:43,
from /nix/store/jgdz5wfqc6q6qhy17lsqnfpbkfi1fcar-gcc-12.2.0/include/c++/12.2.0/bits/basic_string.h:3960,
from /nix/store/jgdz5wfqc6q6qhy17lsqnfpbkfi1fcar-gcc-12.2.0/include/c++/12.2.0/string:53,
from /nix/store/jgdz5wfqc6q6qhy17lsqnfpbkfi1fcar-gcc-12.2.0/include/c++/12.2.0/bits/locale_classes.h:40,
from /nix/store/jgdz5wfqc6q6qhy17lsqnfpbkfi1fcar-gcc-12.2.0/include/c++/12.2.0/bits/ios_base.h:41,
from /nix/store/jgdz5wfqc6q6qhy17lsqnfpbkfi1fcar-gcc-12.2.0/include/c++/12.2.0/ios:42,
from /nix/store/jgdz5wfqc6q6qhy17lsqnfpbkfi1fcar-gcc-12.2.0/include/c++/12.2.0/ostream:38,
from iostream:39:
/nix/store/linb70pgp53f0kygxm5wk163dx22d681-glibc-2.37-45-dev/include/stdio.h:605:14: note: declared here
605 | extern char *gets (char *__s) __wur __attribute_deprecated__;
| ^~~~
/nix/store/3r87a2wq1w4l66wnsm7rqvy608mx23h6-binutils-2.40/bin/ld: /tmp/ccbcEkWu.o: in function `main':
foo.cc:(.text.startup+0xd): warning: the `gets' function is dangerous and should not be used.
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