issue start up errors and warning on both stderr and error_log
diff --git a/src/os/unix/ngx_files.h b/src/os/unix/ngx_files.h
index c4d2b7f..63d080b 100644
--- a/src/os/unix/ngx_files.h
+++ b/src/os/unix/ngx_files.h
@@ -273,8 +273,12 @@
#endif
-
size_t ngx_fs_bsize(u_char *name);
+#define ngx_stderr STDERR_FILENO
+#define ngx_set_stderr(fd) dup2(fd, STDERR_FILENO)
+#define ngx_set_stderr_n "dup2(STDERR_FILENO)"
+
+
#endif /* _NGX_FILES_H_INCLUDED_ */
diff --git a/src/os/unix/ngx_os.h b/src/os/unix/ngx_os.h
index a83c6ed..a8b6c6d 100644
--- a/src/os/unix/ngx_os.h
+++ b/src/os/unix/ngx_os.h
@@ -54,7 +54,6 @@
extern ngx_uint_t ngx_inherited_nonblocking;
extern ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush;
-#define ngx_stderr_fileno STDERR_FILENO
#if (NGX_FREEBSD)
#include <ngx_freebsd.h>
