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Tip of the Day
Language: C++
Expertise: Beginner
Jan 2, 2001

WEBINAR:

On-Demand

Application Security Testing: An Integral Part of DevOps


Casting To and From void*


In C++, pointers are strongly-typed. Therefore, you can't assign a void pointer to any other pointer type without casting it explicitly:
 
int n;
void *p = &n
int *pi=static_cast< int* >(p);//C++ requires explicit cast

In C, the explicit typecasting is not required. By contrast, you can assign any data pointer to void* without casting:
 
string s;
void *p=&s // no cast required here
Danny Kalev
 
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