#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)
+#endif
+#ifndef S_ISFIFO
#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
+#endif
+
#ifndef S_IREAD