Lesson 8.

08/test.cpp

@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+#ifndef __x86_64__
+#define __x86_64__ 0
+#endif
+
+
+int main() {
+    printf("x86_64: %d\n", __x86_64__);
+    printf("arm64: %d\n", __arm64__);
+    printf("macOS: %d\n", __MAC_13_0);
+    int a=0;
+    printf("%d", 5/a);
+    return 0;
+}