0_0_17005876_5582.c: In function 'main':
0_0_17005876_5582.c:16:2: error: 're' undeclared (first use in this function)
re
^
0_0_17005876_5582.c:16:2: note: each undeclared identifier is reported only once for each function it appears in
0_0_17005876_5582.c:16:2: error: expected ';' at end of input
0_0_17005876_5582.c:16:2: error: expected declaration or statement at end of input
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