Online Test

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What will be the output of the program?

#include<stdio.h>
typedef struct error {int warning, err, exception;} ERROR;
int main()
{
    ERROR e;
    e.err=1;
    printf("%d\n", e.err);
    return 0;
}

In which stage the following code 
#include<stdio.h> 
gets replaced by the contents of the file stdio.h


Point out the error in the program?

struct emp
{
    int ecode;
    struct emp *e;
};

What is the output of this C code?

    #include <stdio.h>
    #define a 10
    int main()
    {
        const int a = 5;
        printf("a = %d\n", a);
    }

Point out the error in the following program (in Turbo C under DOS).

#include<stdio.h>
union emp
{
    int empno;
    int age;
};
int main()
{
    union emp e = {10, 25};
    printf("%d %d", e.empno, e.age);
    return 0;
}

What is the output of the following program?

#include<stdio.h>
void main()
{
        int x=10,y=20;
        x=((x>9) && y=30 ? printf("\nTRUE"): printf("\nFALSE"));
        printf("\ny=%d",y);
}

What will be the output of the program?

#include<stdio.h>
#define SQUARE(x) x*x
int main()
{
    float s=10, u=30, t=2, a;
    a = 2*(s-u*t)/SQUARE(t);
    printf("Result = %f", a);
    return 0;
}

What will be the output of the program?

#include<stdio.h>
int main()
{
    typedef int LONG;
    LONG a=4;
    LONG b=68;
    float c=0;
    c=b;
    b+=a;
    printf("%d,", b);
    printf("%f\n", c);
    return 0;
}

What is the output of the program given below ?

#include<stdio.h>
int main()
{
    enum status { pass, fail, atkt};
    enum status stud1, stud2, stud3;
    stud1 = pass;
    stud2 = atkt;
    stud3 = fail;
    printf("%d, %d, %d\n", stud1, stud2, stud3);
    return 0;
}

 Which operator connects the structure name to its member name?


Point out the error in the program?

#include<stdio.h>

int main()
{
    struct bits
    {
        float f:2;
    }bit;

    printf("%d\n", sizeof(bit));
    return 0;
}

What will the function rewind() do?


What is the output of this C code?

  #include <stdio.h>
    union p
    {
        int x;
        float y;
    };
    int main()
    {
        union p p, b;
        p.x = 10;
        printf("%f\n", p.y);
    }

What do the following declaration signify?

char *arr[10];

What is the ouput of below c program?

#include<stdio.h>
int main()
{
    printf("Techepi");
    main();
    return 0;
}
 

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