1. There's now proper fdtable, pointer casting to "fd" is gone.
2. select() was implemented.
3. Enumerate implemented functions more thoroughly, so users can
fulltext-search them.
Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Move guides and APIs into separate directories and cleanup naming
introducing index files rather than named section files.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>