#include <dpmi.h> int __dpmi_physical_address_mapping(__dpmi_meminfo *_info);
Please refer to section DPMI Specification for details on DPMI function call operation. Also see section DPMI Overview for general information.
DPMI function AX = 0x0800
Maps a physical device (like a graphics buffer) to linear memory. Fill in the physical address and size (in bytes). On return, the address is the linear address to use.
-1 on error, else zero.
not ANSI, not POSIX
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