foo.c: In function 'main':
foo.c:8:18: warning: statement with no effect [-Wunused-value]
    8 |         int a;  a>=0;
      |                 ~^~~
foo.c:9:10: warning: statement with no effect [-Wunused-value]
    9 |         b<=32767;
      |         ~^~~~~~~
foo.c:8:18: warning: 'a' is used uninitialized [-Wuninitialized]
    8 |         int a;  a>=0;
      |                 ~^~~
foo.c:8:13: note: 'a' declared here
    8 |         int a;  a>=0;
      |             ^
foo.c:9:10: warning: 'b' is used uninitialized [-Wuninitialized]
    9 |         b<=32767;
      |         ~^~~~~~~
foo.c:7:13: note: 'b' declared here
    7 |         int b;
      |             ^

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