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void testFun1()
{
printf("void fun!\n");
}
int testFun2()
{
return 1;
}
printf("sizeof(testFun1) = %d\n", sizeof(testFun1)); //1
printf("sizeof(testFun1()) = %d\n", sizeof(testFun1())); //1
printf("sizeof(testFun2) = %d\n", sizeof(testFun2)); //1
printf("sizeof(testFun2()) = %d\n", sizeof(testFun2())); //4
printf("sizeof(void) = %d\n", sizeof(void)); //1
printf("sizeof(void*) = %d\n", sizeof(void*)); //4