sahlot arvind <[EMAIL PROTECTED]> wrote:
,----
| > Recently I started looking into linux kernel and trying to understand
| > the code. I am working with linux-2.6.9. in file
| > include/llinux/list.h - I found something like this.
| >
| > #define INIT_LIST_HEAD(ptr) do { \
| > (ptr)->next = (ptr); (ptr)->prev = (ptr); \
| > } while (0)
| >
| >
| > My question is why do we use a loop when we actually know that it is
| > not going to execute more than once? Cannot we simply do -
`----
see: http://kernelnewbies.org/FAQ/DoWhile0
anupam
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