netbuf_free() function

pointer to the netbuf which contains the packet buffer to free

Deallocate a netbuf allocated by netbuf_new().

Receive data (in form of a netbuf containing a packet buffer) from a netconn

Get the data pointer and length of the data inside a netbuf.

Send data over a UDP or RAW netconn (that is already connected).

Move the current data pointer of a packet buffer contained in a netbuf to the next part. The packet buffer itself is not modified.

Let a netbuf reference existing (non-volatile) data.

Receive data (in form of a netbuf) from a UDP or RAW netconn

Chain one netbuf to another (@see pbuf_chain)

Move the current data pointer of a packet buffer contained in a netbuf to the beginning of the packet. The packet buffer itself is not modified.

Allocate memory for a packet buffer for a given netbuf.

Send data (in form of a netbuf) to a specific remote IP address and port. Only to be used for UDP and RAW netconns (not TCP).

Receive data (in form of a netbuf) from a UDP or RAW netconn