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-rw-r--r--direct/yportenv.h21
1 files changed, 20 insertions, 1 deletions
diff --git a/direct/yportenv.h b/direct/yportenv.h
index 69509e0..a8d1b28 100644
--- a/direct/yportenv.h
+++ b/direct/yportenv.h
@@ -261,14 +261,33 @@ struct iattr {
#define S_IFREG 0100000
#endif
+#ifndef S_ISSOCK
#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
+#endif
+
+#ifndef S_ISLNK
#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
+#endif
+
+#ifndef S_ISDIR
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
+#endif
+
+#ifndef S_ISREG
#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
+#endif
+
+#ifndef S_ISBLK
#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
+#endif
+
+#ifndef S_ISCHR
#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
-#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
+#endif
+#ifndef S_ISFIFO
+#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
+#endif
#ifndef S_IREAD
#define S_IREAD 0000400