C Programming · all questions

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Q101

What is the format identifier for "static a = 20.5;"?

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Q102

What will be the output of the following C code?

#include <stdio.h>
#define COLD
int main()
{
    #ifdef COLD
    printf("COLD\t");
    #undef COLD
    #endif
    #ifdef COLD
    printf("HOT\t");
    #endif
}

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Q103

What will be the output of the following C code?

#include <stdio.h>
int *m()
{
    int *p = 5;
    return p;
}
void main()
{
    int *k = m();
    printf("%d", k);
}

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Q104

Which directory the compiler first looks for the file when using #include?

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Q105

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\n",foo(i + j, 3));
    return 0;
}

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Q106

What will be the output of the following C code?

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

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Q107

What will be the output of the following C code?

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

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Q108

What will be the output of the following C code?

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

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Q109

What will be the output of the following C code?

#include <stdio.h>
void foo();
int main()
{
    void foo(int);
    foo(1);
    return 0;
}
void foo(int i)
{
    printf("2 ");
}

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Q110

Which of the following is an external variable in the following C code?

#include <stdio.h>
int func (int a)
{
    int b;
    return b;
}
int main()
{
    int c;
    func (c);
}
int d;

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Q111

C preprocessors can have compiler specific features.

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Q112

In a conditional inclusion, if the condition that comes after the if is true, then what will happen during compilation?

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Q113

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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Q114

Which of the following properties of #define is not true?

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Q115

What is a preprocessor?

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Q116

What will be the output of the following C code?

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

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Q117

What is the scope of an external variable?

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Q118

What is the sequence for preprocessor to look for the file within <>?

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Q119

What is the scope of an automatic variable?

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Q120

Which of the following is a storage specifier?

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