Fixed SunOS/GUSI bug in access() with work-around Removed obsolete pbi_chdir make system/1 fail when call fails. Added pbi_copy_file for MacOS, MSWin32 and Unix.
Fixed SunOS/GUSI bug in access() with work-around
Removed obsolete pbi_chdir
make system/1 fail when call fails.
Added pbi_copy_file for MacOS, MSWin32 and Unix.


AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog