ref: ca543c97d5f35334bc9784a3b5c7c5a8fe7a8f8a dir: /tests/execute/0149-define.c/
#define M(x) x #define A(a,b) a(b) int main(void) { char *a = A(M,"hi"); return (a[1] == 'i') ? 0 : 1; }