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