===void packetbuf_hdrreduce(int size)===

===void packetbuf_hdrreduce(int size)===

This function is used to remove the first part of the header in the packetbuf, '''when processing incoming packets'''. If the function is unable to remove the requested amount of header space, the function returns zero and does not allocate anything.

This function is used to remove the first part of the header in the packetbuf, '''when processing incoming packets'''. If the function is unable to remove the requested amount of header space, the function returns zero and does nothing.

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