foo.cc: In function 'int main()':
foo.cc:10:9: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
gets(s1);
^
In file included from /usr/include/stdio.h:862:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/c++/7/ext/string_conversions.h:43,
from /usr/include/c++/7/bits/basic_string.h:6361,
from /usr/include/c++/7/string:52,
from /usr/include/c++/7/bits/locale_classes.h:40,
from /usr/include/c++/7/bits/ios_base.h:41,
from /usr/include/c++/7/ios:42,
from /usr/include/c++/7/ostream:38,
from /usr/include/c++/7/iostream:39,
from foo.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:232:1: note: declared here
gets (char *__str)
^~~~
foo.cc:11:9: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
gets(s2);
^
In file included from /usr/include/stdio.h:862:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/c++/7/ext/string_conversions.h:43,
from /usr/include/c++/7/bits/basic_string.h:6361,
from /usr/include/c++/7/string:52,
from /usr/include/c++/7/bits/locale_classes.h:40,
from /usr/include/c++/7/bits/ios_base.h:41,
from /usr/include/c++/7/ios:42,
from /usr/include/c++/7/ostream:38,
from /usr/include/c++/7/iostream:39,
from foo.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:232:1: note: declared here
gets (char *__str)
^~~~
foo.cc:10:6: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result [-Wunused-result]
gets(s1);
~~~~^~~~
foo.cc:11:6: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result [-Wunused-result]
gets(s2);
~~~~^~~~
/tmp/cchdqMvo.o: In function `main':
foo.cc:(.text.startup+0x29): warning: the `gets' function is dangerous and should not be used.
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njnu19210317 LV 8
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