__dpmi_segment_to_descriptor

Syntax

#include <dpmi.h> int __dpmi_segment_to_descriptor(int _segment);

Description

Please refer to the DPMI Specification (see section DPMI Specification) for details on DPMI function call operation. Also see the DPMI Overview (see section DPMI Overview) for general information.

DPMI function AX = 0x0002

This function returns a selector that maps to what the real-mode segment provided would have referenced. Warning: this is a scarce resource.

Return Value

-1 on error, else the selector.

Portability

ANSI/ISO C	No
POSIX	No

Example

short video = __dpmi_segment_to_descriptor(0xa000); movedata(_my_ds(), buffer, video, 0, 320*200);