On most systems, malloc and free are not reentrant, because they use a static data structure that records which memory blocks are free.
在大部分系统中，malloc和free都不是可重入的，因为它们使用静态数据结构来记录哪些内存块是空闲的。
The additional data consists of the MQDH structure followed by an array of MQOR records and an array of MQPMR records. Table 4 lists the main fields in MQDH.
附加数据包括MQDH结构和紧接其后的MQOR记录数组和MQPMR记录数据。
In a hierarchical data structure, each root record may have many associated records at the next level down in the hierarchy, and there may be many additional subordinate levels.
在一个分层的数据结构，每根的纪录，可能是有很多相关记录，在下次的水平下降，在层次，并有可能成为许多额外的下级。
应用推荐