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As nutrino said After deleting the the class memory pointer becomes dangling pointer and there are many consequences of that and might affect to crash ur program also

I hope below article will...

Why dont u store the division result in the float variable ... I guess compiler will auto cast to higher ... Just check with this

float f:

f= b/a * 100;

and then checking with 25 ...

HI,

I am writing a network device driver for RTL8139c card on 2.6.18 kernel ... I am facing few queries listed below

1. Can i able to at all write a driver for RTL8139C or Realtek had designed...

Instead of colon (:) after std u shld use scope resolution operator (:: ) That will solve ur problem ... but if u wanna use endl then u shld compile with g++ as endl is compile with g++ complier .......