foo.c: In function 'Concat':
foo.c:17:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   17 |         for(i=0;s[i]!=0;i++)
      |         ^~~
foo.c:19:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   19 |                 t[i+mlen]=0;
      |                 ^
foo.c: In function 'main':
foo.c:26:9: warning: 'gets' is deprecated [-Wdeprecated-declarations]
   26 |         gets(s1);
      |         ^~~~
In file included from foo.c:1:
/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__;
      |              ^~~~
foo.c:27:9: warning: 'gets' is deprecated [-Wdeprecated-declarations]
   27 |         gets(s2);
      |         ^~~~
/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/ccmZTdZi.o: in function `main':
foo.c:(.text.startup+0xb): warning: the `gets' function is dangerous and should not be used.

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