how to create viruse in c?
im guessing your younger then 15 right? well, c or c++ is waay too complicated unless your willing to devote 2 years to learning it, also, creating viruses is illegal and the police could easily...
i don't know what is data structure but say that data structure is vary importent in our life
structure is a collection of variables of different datatypes.
There is basically no disadvantage of using a language like C. It depends on the programmer how he uses his skills.
The latest ANSI standard is C99. See the attached link.