Function MCQs with Answers 2027

Q141

What will be the output of the following C code?

#include <stdio.h>
#define foo(m, n) " m ## n "
int main()
{
    printf("%s\n", foo(k, l));
}

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Q142

Open question

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    int one = 1, two = 2;
    #ifdef next
    one = 2;
    two = 1;
    #endif
    printf("%d, %d", one, two);
}

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Q143

Open question

If the file name is enclosed in angle brackets, then . . . . . . . .

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Q144

Open question

What will be the output of the following C code?

#include <stdio.h>
void m()
{
    printf("hi");
}
void main()
{
    m();
}

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Q145

Open question

What will be the output of the following C code?

#include <stdio.h>
void func();
int main()
{
    static int b = 20;
    func();
}
void func()
{
    static int b;
    printf("%d", b);
}

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Q146

Open question

What will be the output of the following C code?

#include <stdio.h>
int *i;
int main()
{
    if (i == 0)
        printf("true\n");
    return 0;
}

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Q147

Open question

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    #define max 37;
    printf("%d", max);
}

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Q148

Open question

What will be the output of the following C code?

#include <stdio.h>
#define Cprog
int main()
{
    int a = 2;
    #ifdef Cprog
    a = 1;
    printf("%d", Cprog);
}

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Q149

Open question

The "else if" in conditional inclusion is written by?

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Q150

Open question

What will be the output of the following C code?

#include <stdio.h>
int *i;
int main()
{
    if (i == NULL)
        printf("true\n");
    return 0;
}

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Q151

Open question

What will be the output of the following C code if these two files namely test.c and test1.c are linked and run?

-------file test.c-------
#include <stdio.h>
#include ""test.h""
int main()
{
  i = 10;
  printf(""%d "", i);
  foo();
}

-----file test1.c------
#include <stdio.h>
#include ""test.h""
int foo()
{
  printf(""%d\n"", i);
}

-----file test.h-----
#include <stdio.h>
#include <stdlib.h>
static int i;

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Q152

Open question

What is the scope of a function?

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Q153

Open question

What will be the output of the following C code (after linking to source file having definition of ary1)?

#include <stdio.h>
int main()
{
    extern ary1[];
    printf("%d\n", ary1[0]);
}

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Q154

Open question

The C-preprocessors are specified with . . . . . . . . symbol.

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Q155

Open question

Automatic variables are stored in . . . . . . . .

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Q156

Open question

Register variables reside in . . . . . . . .

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Q157

Open question

For each #if, #ifdef, and #ifndef directive.

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Q158

Open question

Automatic variables are . . . . . . . .

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Q159

Open question

Comment on the output of the following C code.

#include <stdio.h>
#include "test.h"
#include "test.h"
int main()
{
    //some code
}

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Q160

Open question

Property of the external variable to be accessed by any source file is called by the C90 standard as . . . . . . . .

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