Re: API for copying files and disk usage

[Li Yanbo <dreamfly281@xxxxxxxxx>]

Sankar Subramanian Salvady wrote:
> All,
>  This is not exactly a question pertaining to Kernel. However it would 
> be great if u can help me.
>
> I am programming in Linux , wherein I need to know a couple of things.
>
> 1) Does an API exist that can copy file onto another file ( an API 
> equivalent of 'cp') ?
>
> 2) Is there an API that tells me the disk usage ( equivalent for 
> cmdline 'du' ) ?
>
> Any pointers would be greatly appreciated.
>
> Thanks n regards
> Sankar
>
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> Kernelnewbies: Help each other learn about the Linux kernel.
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As I known VFS supply a API  to copy  file, it is sendfile(), you can 
see more from fs.h.  But  I never use it. and maybe  not every 
filesystem implement it.
BR
lyb


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