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17 lines
189 B
17 lines
189 B
6 years ago
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#ifndef DEF_A
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# error "DEF_A not defined"
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#endif
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#ifndef DEF_B
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# error "DEF_B not defined"
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#endif
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extern void a(void);
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extern void b(void);
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int main(void)
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{
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a();
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b();
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return 0;
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}
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