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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 /** @addtogroup libc
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 * @{
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 */
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/** @file
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 */
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 */
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#include <as.h>
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#include <as.h>
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#include <libc.h>
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#include <libc.h>
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#include <unistd.h>
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#include <unistd.h>
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/* Start of heap linker symbol */
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/* Start of heap linker symbol */
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extern char _heap;
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extern char _heap;
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/** Sbrk emulation
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/** Sbrk emulation
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 *
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 *
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 * @param size New area that should be allocated or negative,
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 * @param incr New area that should be allocated or negative,
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               if it should be shrinked
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               if it should be shrinked
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 * @return Pointer to newly allocated area
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 * @return Pointer to newly allocated area
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 */
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 */
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void *sbrk(ssize_t incr)
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void *sbrk(ssize_t incr)
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{
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{
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    res = last_allocated;
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    res = last_allocated;
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    last_allocated += sz;
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    last_allocated += sz;
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    return res;
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    return res;
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}
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}
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 /** @}
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 */
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