Get Device Memory Xcode

I really need to know of 开发者_运维知识库a way to get the current device’s:

1. Active Memory
2. Inactive Memory
3. Wired Memory
4. Free Memory
5. Total Memory

Any information, code or anything is helpful.

Thanks in advance.

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The desktop uses the Mach call host_statistics64() to get that information. You can see it in use in the source code for the vm_stat command.