@node __dpmi_physical_address_mapping, dpmi
@subheading Syntax

@example
#include <dpmi.h>

int __dpmi_physical_address_mapping(__dpmi_meminfo *_info);
@end example

@subheading Description

Please refer to @ref{DPMI Specification} for details on DPMI
function call operation.  Also see @ref{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.

@subheading Return Value

-1 on error, else zero.

@subheading Portability

@portability !ansi, !posix