[klibc] [git pull v2] initial mntent.h, mount features, ipconfig fixes

[H. Peter Anvin]

maximilian attems wrote:
> [ gsi.de pretends this is massmailing so removed from CC's ]
> 
> 
> hello hpa,
> 
> please review and on ack merge belows patchset.
> changes from v1, thanks to review by kzak:
> * add strtok_r()
> * use it in getmntent_r()
> * getment_r() parses mnt_freq and mnt_passno too
>   isn't that hard.
> 

What is the motivation for the reentrant function (since klibc doesn't 
support multithreading?)

	-hpa