Function MCQs with Answers 2027

Q121

Which among the following is the correct syntax to declare a static variable register?

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Q122

The below two lines are equivalent to . . . . . . . .

#define C_IO_HEADER <stdio.h>
#include C_IO_HEADER

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Q123

Open question

Which part of the program address space is p stored in the following C code?

#include <stdio.h>
int *p;
int main()
{
    int i = 0;
    p = &i;
    return 0;
}

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Q124

Open question

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    register int x = 0;
    if (x < 2)
    {
        x++;
        main();
    }
}

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Q125

Open question

When compiler accepts the request to use the variable as a register?

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Q126

Open question

What will be the output of the following C code?

#include <stdio.h>
void f();
int main()
{
    #define foo(x, y) x / y + x
    f();
}
void f()
{
    printf("%d\n", foo(-3, 3));
}

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Q127

Open question

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    register int x;
    printf("%d", x);
}

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Q128

Open question

What is the return-type of the function sqrt()?

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Q129

Open question

Can function definition be present in header files?

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Q130

Open question

What will be the output of the following C code?

#include <stdio.h>
double i;
int main()
{
   printf("%g\n",i);
   return 0;
}

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Q131

Open question

Comment on the following 2 C programs.

#include <stdio.h> //Program 1
int main()
{
    int a;
    int b;
    int c;
}

#include <stdio.h> //Program 2
int main()
{
    int a;
    {
        int b;
    }
    {
        int c;
    }
}

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Q132

Open question

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    static int x;
    printf("x is %d", x);
}

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Q133

Open question

#include <somefile.h> are . . . . . . . . files and #include "somefile.h" . . . . . . . . files.

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Q134

Open question

What will be the output of the following C code snippet?

#include (stdio.h)
void main()
{
    printf("hello");
}

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Q135

Open question

What will be the output of the following C code?

#include <stdio.h>
#define foo(m, n) m ## n
void myfunc();
int main()
{
    myfunc();
}
void myfunc()
{
    printf("%d\n", foo(2, 3));
}

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Q136

Open question

Register storage class can be specified to global variables.

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Q137

Open question

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    m();
    m();
}
void m()
{
    static int x = 5;
    x++;
    printf("%d", x);
}

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Q138

Open question

Which of the following are C preprocessors?

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Q139

Open question

What will be the output of the following C code?

#include <stdio.h>
#define MIN 0
#ifdef MIN
#define MAX 10
#endif
int main()
{
    printf("%d %d\n", MAX, MIN);
    return 0;
}

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Q140

Open question

Which of the following function declaration is illegal?

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