此函数返回指定节点的类型。
提供的缓冲区的大小不足以存放节点类型的值。
void myPropagatedMessageCallback( CciMessage* message, CciMessage* localEnvironment, CciMessage* exceptionList, CciMessage* environment, CciConnection* connection){ int rc = CCI_SUCCESS; CciNode* sourceNode = cciGetSourceNode(&rc, connection); /*you should now check the rc for unexpected values*/ CciChar sourceNodeType[initialStringBufferLength]; sourceNodeTypeLength = cciGetNodeType(&rc, sourceNode, sourceNodeType, initialStringBufferLength); /*you should now check the rc for unexpected values*/ /*if rc is CCI_BUFFER_TOO_SMALL then you should resize and retry*/