Point out the error in the program. #include<stdio.h> const char *fun(); int ma

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Question

Point out the error in the program.

#include<stdio.h>
const char *fun();

int main()
{
    char *ptr = fun();
    return 0;
}
const char *fun()
{
    return "Hello";
}

Options
A. Error: Lvalue required
B. Error: cannot convert 'const char *' to 'char *'.
C. No error and No output
D. None of above

Correct Answer

No error and No output

More questions

1. Bitwise can be used to reverse a sign of a number.
Options
A. Yes
B. No

Discuss

Correct Answer: No

2. Is it necessary that in a function which accepts variable argument list there should be at least be one fixed argument?
Options
A. Yes
B. No

Discuss

Correct Answer: Yes

3. Bitwise can be used to generate a random number.
Options
A. Yes
B. No

Discuss

Correct Answer: No

4. A function that receives variable number of arguments should use va_arg() to extract the last argument from the variable argument list.
Options
A. True
B. False

Discuss

Correct Answer: False

5. Bitwise & can be used to check if more than one bit in a number is on.
Options
A. True
B. False

Discuss

Correct Answer: True

6. The preprocessor can trap simple errors like missing declarations, nested comments or mismatch of braces.
Options
A. True
B. False

Discuss

Correct Answer: False

Explanation:

False, the preprocessor cannot trap the errors, it only replaces the macro with the given expression. But the compiler will detect errors.

7. It is necessary that a header files should have a .h extension?
Options
A. Yes
B. No

Discuss

Correct Answer: No

Explanation:

No, the header files have any kind of extension.

8. Bitwise | can be used to set multiple bits in number.
Options
A. Yes
B. No

Discuss

Correct Answer: Yes

9. Bitwise & can be used to check if a bit in number is set or not.
Options
A. True
B. False

Discuss

Correct Answer: True

10. A pointer union CANNOT be created
Options
A. Yes
B. No

Discuss

Correct Answer: No

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Complicated Declarations Constants Declarations and Initializations Expressions Floating Point Issues Input / Output Library Functions Pointers Strings Arrays Bitwise Operators C Preprocessor Command Line Arguments Control Instructions Functions Memory Allocation Structures, Unions, Enums Variable Number of Arguments

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Discussion

Point out the error in the program.
#include<stdio.h> const char fun(); int main() { char ptr = fun(); return 0; } const char *fun() { return "Hello"; }

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More in C Programming:

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Discussion

Point out the error in the program. #include<stdio.h> const char *fun(); int main() { char *ptr = fun(); return 0; } const char *fun() { return "Hello"; }

More questions

More in C Programming:

Aptitude

Engineering

Programming

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Point out the error in the program.
#include<stdio.h> const char fun(); int main() { char ptr = fun(); return 0; } const char *fun() { return "Hello"; }