+#define __sferror(p) (((p)->_flags & __SERR) != 0)
+
+/* Used by perl, fish, and others */
+#define __sferror(p) (((p)->_flags & __SERR) != 0)
+
+/* Used by perl, fish, and others */
+extern int open(const char*, int, ...);
+extern pid_t getpid();
+extern int unlink(const char*);
+extern int open(const char*, int, ...);
+extern pid_t getpid();
+extern int unlink(const char*);