aclrtGetBufChainNum
Description
Obtains the number of shared buffers in the Mbuf chain.
Prototype
1 | aclError aclrtGetBufChainNum(aclrtMbuf headBuf, uint32_t *num) |
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
headBuf |
Input |
First shared buffer in the Mbuf chain. For details about the type definition, see aclrtMbuf. |
num |
Output |
Number of shared buffers. |
Returns
0 on success; otherwise, failure. For details, see aclError.