C Preprocessor - C Programming MCQ Questions and Answers

#include<stdio.h>
#pragma(1)
struct test
{
    int i;
    char j;
};
main()
{
    printf("%d",sizeof(struct test));
}

#include <stdio.h>
#define p( m ) printf( "t*" #m " = %s", t##m )
char tram[]="tram";
int main()
{
    int x;
    x=p(ram);
}

#include<stdio.h>
#define sf 10
main()
{
    if(sf==100)
        printf("good");
    else
    {
        printf("bad");
        sf=100;
    }
    printf("%d",sf);
}

#include<stdio.h>
void main()
{
    #ifndef max
    printf("hello");
    #endif
    printf("hi");
}

#include <stdio.h>
#define world( n ) printf( "t^^" #n" = %c", t##n )
int t3=1;
int main()
{
   world(3);
}

#define F abc
#define B def
#define FB(arg) #arg
#define FB1(arg) FB(arg)
main()
{
    printf(FB(F B));
    FB1(F B);
}

#include <stdio.h>
#define p( n,m ) printf( "%d", m##n )
int main()
{
   p(3,4);
}

#define example(s,n) #s #n
main()
{
    printf(example(hello,world));
}

#include <stdio.h>
#define hello( n ) a##n
int a3;
int main()
{
    int x;
    x=hello(3);
    if(x!=0)
        printf("hi");
    else
        printf("good");
}

#include<stdio.h>
#define hello 
main()
{
    #ifdef hello
    #define hi 4
    #else
    #define hi 5
    #endif
    printf("%d",hi);
 
}