foo.c: In function 'main':
foo.c:11:13: warning: variable 'state' set but not used [-Wunused-but-set-variable]
   11 |         int state = OUTCOMP;
      |             ^~~~~
foo.c: In function 'isComp':
foo.c:49:9: error: expected declaration or statement at end of input
   49 |         return isComp;
      |         ^~~~~~

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