--- mstools/h/fcntl.h	2018/08/09 18:20:01	1.1.1.1
+++ mstools/h/fcntl.h	2018/08/09 18:20:31	1.1.1.2
@@ -36,7 +36,11 @@
 
 #define _O_NOINHERIT	0x0080	/* child process doesn't inherit file */
 
-#if !__STDC__
+/* Temporary file bit - file is deleted when last handle is closed */
+
+#define _O_TEMPORARY	0x0040	/* temporary file bit */
+
+#if !__STDC__ || defined(_POSIX_)
 /* Non-ANSI names for compatibility */
 #define O_RDONLY    _O_RDONLY
 #define O_WRONLY    _O_WRONLY
@@ -48,6 +52,7 @@
 #define O_TEXT	    _O_TEXT
 #define O_BINARY    _O_BINARY
 #define O_RAW	    _O_BINARY
+#define O_TEMPORARY _O_TEMPORARY
 #define O_NOINHERIT _O_NOINHERIT
 #endif	/* __STDC__ */