+extern void* _SysMMap(void *addr, size_t length, unsigned int _flags, int fd, uint64_t offset);
+#ifdef _SysMMap
+# undef _SysMMap
+# define _SysMMap(addr,length,flags,prot,fd,offset) acess__SysMMap(addr,length,(flags|(prot<<16)), fd, offset)
+#else
+# define _SysMMap(addr,length,flags,prot,fd,offset) _SysMMap(addr,length,(flags|(prot<<16)), fd, offset)
+#endif
+extern int _SysMUnMap(void *addr, size_t length);
+extern uint64_t _SysMarshalFD(int FD);
+extern int _SysUnMarshalFD(uint64_t Handle);