ble_gattc_write_reliable() function

The connection over which to execute the procedure.

An array of attribute descriptors; specifies which characteristics to write to and what data to write to them. The mbuf pointer in each attribute is set to NULL by this function.

The number of characteristics to write; equal to the number of elements in the 'attrs' array.

The function to call to report procedure status updates; null for no callback.

The optional argument to pass to the callback function.