HITLS_SUCCESS,if | successful |
HITLS_REC_NORMAL_RECV_BUF_EMPTY,record | The receiving buffer is NULL and can be read again. |
HITLS_REC_NORMAL_IO_BUSY,the | network I/O is busy and needs to wait for the next sending You can continue to read the I/O. |
For | other error codes, see hitls_error.h. |