23 lines
383 B
C
23 lines
383 B
C
#ifdef CHECK_VARIABLE_EXISTS
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extern int CHECK_VARIABLE_EXISTS;
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#ifdef __CLASSIC_C__
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int main(){
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int ac;
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char*av[];
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#else
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int main(int ac, char*av[]){
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#endif
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int* p;
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p = &CHECK_VARIABLE_EXISTS;
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if(ac > 1000){return *av[0];}
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return 0;
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}
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#else /* CHECK_VARIABLE_EXISTS */
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# error "CHECK_VARIABLE_EXISTS has to specify the variable"
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#endif /* CHECK_VARIABLE_EXISTS */
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