P209. Understand Macro without argument.

 

#include<stdio.h>

/* A

#define INTEGER int

void main()

{

        INTEGER i;

        printf(" Size of i : %ld\n",sizeof(i));

}

 

*/

 

/* B

#define PF printf

void main()

{

        PF("Hello\n");

 

}

*/

 

/* C

#define . ;//invalid statement

void main()

{

        printf("Hello\n").

}

*/

 

#define int char

#define char float

#define float int

void main()

{

        int i;

        char ch;

        float f;

        printf("%ld %ld %ld\n",sizeof(i),sizeof(ch),sizeof(f));

}