C Programming · all questions

Function
practice.

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223

Questions

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Q181

Which of the following cannot be static in C?

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Q182

#include statement must be written . . . . . . . .

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Q183

A local variable declaration with no storage class specified is by default . . . . . . . .

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Q184

What is the problem in the following C declarations?

int func(int);
double func(int);
int func(float);

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Q185

Is initialisation mandatory for local static variables?

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Q186

Which of the following function declaration is illegal?

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Q187

What will be the output of the following C code?

#include <stdio.h>
#define A 1 + 2
#define B 3 + 4
int main()
{
    int var = A * B;
    printf("%d\n", var);
}

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Q188

What will be the output of the following C code?

#include <stdio.h>
double foo();
int main()
{
    foo();
    return 0;
}
foo()
{
    printf("2 ");
    return 2;
}

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Q189

What will be the output of the following C code?

#include <stdio.h>
#define foo(x, y) x / y + x
int main()
{
    int i = -6, j = 3;
    printf("%d ", foo(i + j, 3));
    printf("%d\n", foo(-3, 3));
    return 0;
}

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Q190

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    foo();
    foo();
}
void foo()
{
    int i = 11;
    printf("%d ", i);
    static int j = 12;
    j = j + 1;
    printf("%d\n", j);
}

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Q191

What will be the output of the following C code?

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

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Q192

Functions can return structure in C?

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Q193

What is the advantage of #define over const?

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Q194

What is the default return type if it is not specified in function definition?

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Q195

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    void foo();
    void f()
    {
        foo();
    }
    f();
}
void foo()
{
    printf("2 ");
}

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Q196

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    m();
    printf("%d", x);
}
int x;
void m()
{
    x = 4;
}

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Q197

Functions in C are always . . . . . . . .

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Q198

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    register static int i = 10;
    i = 11;
    printf("%d\n", i);
}

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Q199

What will be the output of the following C code?

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

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Q200

Can variable i be accessed by functions in another source file?

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

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