www.delorie.com/djgpp/doc/libc/libc_258.html   search  
libc.a reference

[ < ] [ > ]   [ << ] [ Up ] [ >> ]         [Top] [Contents] [Index] [ ? ]

__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);


  webmaster   donations   bookstore     delorie software   privacy  
  Copyright 2004   by DJ Delorie     Updated Apr 2004