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brimston3/undef_null_facepalm.c

Created April 26, 2016 14:24
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undef_null_facepalm.c
#include "stdio.h"
// Only for extremely evil people
#undef NULL
#define NULL 7
int main()
{
printf("%d\n", NULL);
return 0;
}
#if 0
brimston3@digcraft:~/test$ gcc undef_null.c
brimston3@digcraft:~/test$ ./a.out
7
#endif
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