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static void main(void) { static const int sdivisor = 20; const int *pdivisor; unsigned rdpreamble; unsigned divisor; pdivisor = &sdivisor; divisor = *pdivisor; rdpreamble = 0; if (divisor == 20) { rdpreamble = 18; } else { if (divisor == 15) { rdpreamble = 16; } else { if (divisor == 12) { rdpreamble = 15; } } } }