-#define _SysMMap(addr,length,flags,prot,fd,offset) _SysMMap(addr,length,(flags|(prot<<16)), fd, 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