Getting boot args on macOS

Hello, How can I get the boot args in C++ or Objective-C on macOS without launching the nvram command tool? Take -arm64e_preview_abi for example. How can I check if it exists and if it's effective now or a reboot is needed for it to take effect. Thanks!

Have you tried sysctlbyname with the kern.bootargs selector?

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
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Getting boot args on macOS
 
 
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