j084c.c.ref

j084c.c:2:9: error: Redefinition of symbol: a.

    Constraint violation (CV-TDG13):
        see C11 section 6.9:3 http://rvdoc.org/C11/6.9
        see CERT-C section MSC40-C http://rvdoc.org/CERT-C/MSC40-C
        see MISRA-C section 8.1:1 http://rvdoc.org/MISRA-C/8.1

Translation failed (kcc_config dumped). To repeat, run this command in directory unit-fail-compilation: