C++ : Using void to create variables -

i learning c++ on own internet. wondering if can create variable of void type. if , how can you? these variables used for?

this not work:

void b; cout<<b;

error:

size of b unknown or zero

thanks :)

"i wondering if can create variable of void type."

no, compiler told you.

if , how can you?"

see above.

"also these variables used for?"

it won't useful, because void explicitly designates no type.

"so wat void pointer used for?"

as comment:

it's used store address of object of type. unless don't know exact original type, it's pretty useless well.

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