[−][src]Function openthread_sys::otCoapMessageAppendBlock2Option
pub unsafe extern "C" fn otCoapMessageAppendBlock2Option(
aMessage: *mut otMessage,
aNum: u32,
aMore: bool,
aSize: otCoapBlockSize
) -> otError
This function appends a Block2 option
@param[inout] aMessage A pointer to the CoAP message. @param[in] aNum Current block number. @param[in] aMore Boolean to indicate more blocks are to be sent. @param[in] aSize Block Size Exponent.
@retval OT_ERROR_NONE Successfully appended the option. @retval OT_ERROR_INVALID_ARGS The option type is not equal or greater than the last option type. @retval OT_ERROR_NO_BUFS The option length exceeds the buffer size.