/in/foo.c: In function 'main':
/in/foo.c:13:9: warning: too many arguments for format [-Wformat-extra-args]
printf("\n",s1);
^~~~
/in/foo.c:14:9: warning: too many arguments for format [-Wformat-extra-args]
printf("\n",s2);
^~~~
/in/foo.c:15:2: warning: 'gets' is deprecated [-Wdeprecated-declarations]
gets(s1);
^~~~
In file included from /in/foo.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
extern char *gets (char *__s) __wur __attribute_deprecated__;
^~~~
/in/foo.c:16:2: warning: 'gets' is deprecated [-Wdeprecated-declarations]
gets(s2);
^~~~
In file included from /in/foo.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
extern char *gets (char *__s) __wur __attribute_deprecated__;
^~~~
/tmp/ccuEXY6q.o: In function `main':
foo.c:(.text.startup+0x3a): warning: the `gets' function is dangerous and should not be used.