/* written by Paul Eggert */
-#ifndef _GL_FCNTL_H
-
@PRAGMA_SYSTEM_HEADER@
+#if defined __need_system_fcntl_h
+/* Special invocation convention. */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#@INCLUDE_NEXT@ @NEXT_FCNTL_H@
+
+#else
+/* Normal invocation convention. */
+
+#ifndef _GL_FCNTL_H
+
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
extern "C" {
#endif
-#if (@GNULIB_OPEN@ && @REPLACE_OPEN@) || defined FCHDIR_REPLACEMENT
-# define open rpl_open
+#if @GNULIB_OPEN@
+# if @REPLACE_OPEN@
+# undef open
+# define open rpl_open
extern int open (const char *filename, int flags, ...);
+# endif
+#endif
+
+#ifdef FCHDIR_REPLACEMENT
+/* gnulib internal function. */
+extern void _gl_register_fd (int fd, const char *filename);
#endif
#ifdef __cplusplus
#endif /* _GL_FCNTL_H */
#endif /* _GL_FCNTL_H */
+#endif