4917
5879
3万
GROAD
曲径通幽,安觅芳踪。
#include <stdio.h> #define CONSTANT 1024 int var = 1024; int main() { printf ("%d\n", __builtin_constant_p(CONSTANT)); printf ("%d\n", __builtin_constant_p(var)); return (0); }
[beyes@localhost builtin]$ ./builtin_constant_p.exe 1 0
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