venkat wrote:
>
> Can some in understanding brk and sbrk. how does these are
> implemeted(means how the memeory will be allocated). How malloc
> will call these brk and sbrk. Please also give any example C
> program, where brk and sbrk are used to allocate memory.

This is off-topic. These calls normally appear in some Unix-like
OS, and are used to expand (or possibly contract) the memory
available to a process.

You can see one example in nmalloc, a malloc/free/realloc system
for DJGPP using sbrk, available at:

<http://cbfalconer.home.att.net/download/>

Since such calls are system dependent, try a news group that deals
with your system if more data is needed.

--
Chuck F (cbfalconer at maineline dot net)
Available for consulting/temporary embedded and systems.
<http://cbfalconer.home.att.net>



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