Function esp_idf_sys::esp_mesh_available_txupQ_num

pub unsafe extern "C" fn esp_mesh_available_txupQ_num(
    addr: *const mesh_addr_t,
    xseqno_in: *mut u32
) -> c_int

@brief Return the number of packets could be accepted from the specified address

@param[in] addr self address or an associate children address @param[out] xseqno_in sequence number of the last received packet from the specified address

@return the number of upQ for a certain address