foo.c: In function 'main':
foo.c:6:2: warning: 'gets' is deprecated [-Wdeprecated-declarations]
6 | gets(a);
| ^~~~
In file included from /usr/include/stdio.h:867,
from foo.c:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:235:1: note: declared here
235 | gets (char *__str)
| ^~~~
foo.c:6:2: warning: ignoring return value of 'gets', declared with attribute warn_unused_result [-Wunused-result]
6 | gets(a);
| ^~~~~~~
foo.c:8:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
8 | scanf("%d", &x);
| ^~~~~~~~~~~~~~~
foo.c:9:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
9 | scanf("%d", &y);
| ^~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/cc2fFusp.o: in function `main':
foo.c:(.text.startup+0x39): warning: the `gets' function is dangerous and should not be used.
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