#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
#include <alloca.h>
#else /* not sparc */
-#if defined (MSDOS) && !defined (__TURBOC__)
+/* This used to test MSDOS, but that is a bad idea
+ since that is in the user namespace. */
+#if defined (_MSDOS_) && !defined (__TURBOC__)
#include <malloc.h>
-#else /* not MSDOS, or __TURBOC__ */
+#else /* not _MSDOS_, or __TURBOC__ */
#if defined(_AIX)
#include <malloc.h>
#pragma alloca
#endif /* not __cplusplus */
#endif /* __hpux */
#endif /* not _AIX */
-#endif /* not MSDOS, or __TURBOC__ */
+#endif /* not _MSDOS_, or __TURBOC__ */
#endif /* not sparc. */
#endif /* not GNU C. */
#endif /* alloca not defined. */
#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
#include <alloca.h>
#else /* not sparc */
-#if defined (MSDOS) && !defined (__TURBOC__)
+/* This used to test MSDOS, but that is a bad idea
+ since that is in the user namespace. */
+#if defined (_MSDOS_) && !defined (__TURBOC__)
#include <malloc.h>
-#else /* not MSDOS, or __TURBOC__ */
+#else /* not _MSDOS_, or __TURBOC__ */
#if defined(_AIX)
#include <malloc.h>
#pragma alloca
#endif /* not __cplusplus */
#endif /* __hpux */
#endif /* not _AIX */
-#endif /* not MSDOS, or __TURBOC__ */
+#endif /* not _MSDOS_, or __TURBOC__ */
#endif /* not sparc. */
#endif /* not GNU C. */
#endif /* alloca not defined. */
#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
#include <alloca.h>
#else /* not sparc */
-#if defined (MSDOS) && !defined (__TURBOC__)
+/* This used to test MSDOS, but that is a bad idea
+ since that is in the user namespace. */
+#if defined (_MSDOS_) && !defined (__TURBOC__)
#include <malloc.h>
-#else /* not MSDOS, or __TURBOC__ */
+#else /* not _MSDOS_, or __TURBOC__ */
#if defined(_AIX)
#include <malloc.h>
#pragma alloca
#endif /* not __cplusplus */
#endif /* __hpux */
#endif /* not _AIX */
-#endif /* not MSDOS, or __TURBOC__ */
+#endif /* not _MSDOS_, or __TURBOC__ */
#endif /* not sparc. */
#endif /* not GNU C. */
#endif /* alloca not defined. */