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Zodiac Super OZ
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13
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DJCRX201.ZIP
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include
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sys
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nearptr.h
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C/C++ Source or Header
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1995-07-10
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1KB
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38 lines
/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
#ifndef __dj_include_sys_nearptr_h_
#define __dj_include_sys_nearptr_h_
#ifdef __cplusplus
extern "C" {
#endif
#ifndef __dj_ENFORCE_ANSI_FREESTANDING
#ifndef __STRICT_ANSI__
#ifndef _POSIX_SOURCE
/* Functions to enable "near" pointer access to DOS memory under DPMI
CW Sandmann 7-95 NO WARRANTY: WARNING, since these functions disable
memory protection, they MAY DESTROY EVERYTHING ON YOUR COMPUTER! */
int __djgpp_nearptr_enable(void); /* Returns 0 if feature not avail */
void __djgpp_nearptr_disable(void); /* Enables protection */
extern int __djgpp_selector_limit; /* Limit on CS and on DS if prot */
extern int __djgpp_base_address; /* Used in calculation below */
#define __djgpp_conventional_base (-__djgpp_base_address)
#endif /* !_POSIX_SOURCE */
#endif /* !__STRICT_ANSI__ */
#endif /* !__dj_ENFORCE_ANSI_FREESTANDING */
#ifndef __dj_ENFORCE_FUNCTION_CALLS
#endif /* !__dj_ENFORCE_FUNCTION_CALLS */
#ifdef __cplusplus
}
#endif
#endif /* !__dj_include_sys_nearptr_h_ */