Selecting entire function definition in Vim

Question

I\'ve been trying Vim for any text editing work for almost a week now. I want to know the fastest way to select a C function definition.

For example, if I have a fun

Answer 1

Use this simple way

   1.Go to the function definition 
   2.dd  - delete function definition 
   3.d    -start delete operation 
   4.shift+5(%) - delete the lines between { to }