The owner of a memory block is a 16-bit word. It is set to zero to indicate a free block. A non-zero value is normally the PID (process identifier) of the owner, that is, the address of the PSP of the owning process. This is important when a process terminates, because DOS automatically frees all memory blocks that the process owned. Note that DOS performs no validity checks on the owner; any process can free or resize any block, regardless of who owns it, and the MCB owner need not be a valid PID.
Lexing: Source → Token stream
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从用户习惯的角度来看，不只是点外卖、奶茶，关于效率的一切能力，最好都能被集成在千问APP里。比如，网盘工具、搜索文件、订酒店、买机票，甚至地图导航所有能力。
You choose a frequency for each person, like weekly or monthly. Poppy reminds you when they're due and keeps it gentle.