Answer Posted / k.k

.............SOME DIFFERENT ANSWER......

1) In c we declare variable at the start of block...

In c++ we can declare it any where.....

2)In c we can change value of constant variable by using
pointer...
In c++ we can not....

3)In c we can not take the address of register variable..

In c++ we can...

register int x;
printf("%d",&x);

What is the use of volatile variable?

602

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Explain how a pointer to function can be declared in C++?

584

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What is static function? Explain with an example

561

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What is the difference between #define debug 0 and #undef debug?

646

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What is #include iostream h in c++?

618

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In a function declaration what does extern means?

603

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Specify different types of decision control statements?

360

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what is the use of void main() in C++ language?

642

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What flag means?

528

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why is c++ called oops? Explain

584

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Explain one-definition rule (odr).

649

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Is rust better than c++?

607

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What will happen if a pointer is deleted twice?

726

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What is the difference between the functions memmove() and memcpy()?

636

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Array base access faster or pointer base access is faster?

1819

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