C question - headers in mmaped files

[Martin Pool]

On  1 Apr 2003, Jepri <jepri at webone.com.au> wrote:

> map = (char *) mmap(etc etc)
> head = (header *) map;
> dat = (data *) map+64;

This is equivalent to 

  ((data *) map) + 64

It advances the pointer by the size of 64 maps.

> What's the right way to do this?

Study C harder, so that you can get operator precedence right.  ;-)

  http://www.isthe.com/chongo/tech/comp/c/index.html

-- 
Martin