两段c代码

#include <stdio.h>
void f()
{
    puts("FUnction");
}

#define f() puts("Macro")

int main()
{
    f();
    f ();
    (f) ();
   
    return 0;
}


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#include <stdio.h>
int main (int argc, char **argv)
{ 
    printf("%d, %d\n",sizeof('J'),sizeof(char));
    return 0;
}

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