ref: ee9d0c10154747c291ff77815127698de118b502 dir: /tests/execute/0154-if-defined/
#if defined(FOO) int a; #elif !defined(FOO) && defined(BAR) int b; #elif !defined(FOO) && !defined(BAR) int c; #else int d; #endif int main(void) { return c; }