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The header file bios.h contains declarations, constants, and macros that allow you to make BIOS calls from within your code. Note that BIOS calls are in the realm of the operating system, so you should not use them without a specific need, such as a custom driver. Further, most operating systems will lock you out of making BIOS calls, because they require your process to be operating at a higher level privilege, such as ring-zero in Windows.

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Q: What is the use of header file biosh in c plus plus?
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