typedef struct _c55_context_data
{
UINT32 dest;
UINT32 size;
UINT32 source;
UINT32 *pFailedAddress;
UINT32 *pFailedData;
UINT32 *pFailedSource;
UINT32 *pSum;
PMISR pMisr;
void* pReqCompletionFn;
UINT32 operationOpt;
} CONTEXT_DATA, *PCONTEXT_DATA;
代码最后面为什么加了个逗号并在 后面写 *PCONTEXT_DATA 有何作用?