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- /* 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_ */
-