foo.c: In function 'any':
foo.c:40:21: warning: variable 'ans' set but not used [-Wunused-but-set-variable]
   40 |                 int ans;
      |                     ^~~
foo.c:51:16: warning: 'ans' is used uninitialized [-Wuninitialized]
   51 |         return ans;
      |                ^~~
foo.c:36:13: note: 'ans' was declared here
   36 |         int ans;
      |             ^~~
foo.c: In function 'count':
foo.c:32:16: warning: 'cnt' may be used uninitialized [-Wmaybe-uninitialized]
   32 |         return cnt;
      |                ^~~
foo.c:21:13: note: 'cnt' was declared here
   21 |         int cnt;
      |             ^~~
foo.c: In function 'main':
foo.c:87:25: warning: 'cnt' may be used uninitialized [-Wmaybe-uninitialized]
   87 |                         printf("%d\n",a);
      |                         ^~~~~~~~~~~~~~~~
foo.c:21:13: note: 'cnt' was declared here
   21 |         int cnt;
      |             ^~~

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