ref: 0c6b04d3013c4dd19b64803c89e20ace6517d38b
dir: /tests/execute/0176-macro.c/
#ifdef __STDC__ #define __(proto) proto #else #define __(proto) () #endif extern int func __((int, int)); int main() { int (*fun)(int,int) = func; return (*func)(1, 2); } int func(int a, int b) { return a - b - 1; }