extending 1003.1 to include sym links

[Dave Decot]

> the posix 1003.1 standard has cleverly evaded naming of bits
> in the mode field of the stat structure. it does this by
> defining tests (like S_ISDIR(mode) rather than (mode&S_IFMT)==S_IFDIR).
> the question is, how do people deal with sym links? I simply
> added a S_ISLNK macro but would prefer to go with the flow
> if there is one.
> 
> Volume-Number: Volume 19, Number 11

The current draft of POSIX.1b (Extensions to POSIX.1) is adding symlinks,
and has added a macro as you describe by that name.

Dave Decot