/in/foo.cc: In function 'int main()':
/in/foo.cc:26:3: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
   gets(c[0]);
   ^~~~
In file included from /in/foo.cc:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/in/foo.cc:26:12: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
   gets(c[0]);
            ^
In file included from /in/foo.cc:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/in/foo.cc:42:4: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
    gets(c[i]);
    ^~~~
In file included from /in/foo.cc:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/in/foo.cc:42:13: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
    gets(c[i]);
             ^
In file included from /in/foo.cc:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/tmp/ccsAN06a.o: In function `main':
foo.cc:(.text.startup+0x88): warning: the `gets' function is dangerous and should not be used.