foo.c: In function 'main':
foo.c:36:19: error: 'primesCoun' undeclared (first use in this function); did you mean 'primesCount'?
   36 |     printf("%d\n",primesCoun);
      |                   ^~~~~~~~~~
      |                   primesCount
foo.c:36:19: note: each undeclared identifier is reported only once for each function it appears in

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