-# define vdprintf(d,f,a) \
- (GL_LINK_WARNING ("vdprintf is unportable - " \
- "use gnulib module vdprintf for portability"), \
- vdprintf (d, f, a))
-#endif
-
-#if @GNULIB_VFPRINTF_POSIX@
-# if @REPLACE_VFPRINTF@
-# define vfprintf rpl_vfprintf
-extern int vfprintf (FILE *fp, const char *format, va_list args)
- __attribute__ ((__format__ (__printf__, 2, 0)));
-# endif
-#elif @GNULIB_VFPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
-# define vfprintf rpl_vfprintf
-extern int vfprintf (FILE *fp, const char *format, va_list args)
- __attribute__ ((__format__ (__printf__, 2, 0)));
-#elif defined GNULIB_POSIXCHECK
-# undef vfprintf
-# define vfprintf(s,f,a) \
- (GL_LINK_WARNING ("vfprintf is not always POSIX compliant - " \
- "use gnulib module vfprintf-posix for portable " \
- "POSIX compliance"), \
- vfprintf (s, f, a))
-#endif
-
-#if @GNULIB_VPRINTF_POSIX@
-# if @REPLACE_VPRINTF@
-# define vprintf rpl_vprintf
-extern int vprintf (const char *format, va_list args)
- __attribute__ ((__format__ (__printf__, 1, 0)));
-# endif
-#elif @GNULIB_VPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
-# define vprintf rpl_vprintf
-extern int vprintf (const char *format, va_list args)
- __attribute__ ((__format__ (__printf__, 1, 0)));
-#elif defined GNULIB_POSIXCHECK
-# undef vprintf
-# define vprintf(f,a) \
- (GL_LINK_WARNING ("vprintf is not always POSIX compliant - " \
- "use gnulib module vprintf-posix for portable " \
- "POSIX compliance"), \
- vprintf (f, a))
+# if HAVE_RAW_DECL_VDPRINTF
+_GL_WARN_ON_USE (vdprintf, "vdprintf is unportable - "
+ "use gnulib module vdprintf for portability");
+# endif
+#endif
+
+#if @GNULIB_VFPRINTF_POSIX@ || @GNULIB_VFPRINTF@
+# if (@GNULIB_VFPRINTF_POSIX@ && @REPLACE_VFPRINTF@) \
+ || (@GNULIB_VFPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@))
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define vfprintf rpl_vfprintf
+# endif
+# define GNULIB_overrides_vfprintf 1
+# if @GNULIB_VFPRINTF_POSIX@
+_GL_FUNCDECL_RPL (vfprintf, int, (FILE *fp, const char *format, va_list args)
+ _GL_ATTRIBUTE_FORMAT_PRINTF (2, 0)
+ _GL_ARG_NONNULL ((1, 2)));
+# else
+_GL_FUNCDECL_RPL (vfprintf, int, (FILE *fp, const char *format, va_list args)
+ _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (2, 0)
+ _GL_ARG_NONNULL ((1, 2)));
+# endif
+_GL_CXXALIAS_RPL (vfprintf, int, (FILE *fp, const char *format, va_list args));
+# else
+/* Need to cast, because on Solaris, the third parameter is
+ __va_list args
+ and GCC's fixincludes did not change this to __gnuc_va_list. */
+_GL_CXXALIAS_SYS_CAST (vfprintf, int,
+ (FILE *fp, const char *format, va_list args));
+# endif
+_GL_CXXALIASWARN (vfprintf);
+#endif
+#if !@GNULIB_VFPRINTF_POSIX@ && defined GNULIB_POSIXCHECK
+# if !GNULIB_overrides_vfprintf
+# undef vfprintf
+# endif
+/* Assume vfprintf is always declared. */
+_GL_WARN_ON_USE (vfprintf, "vfprintf is not always POSIX compliant - "
+ "use gnulib module vfprintf-posix for portable "
+ "POSIX compliance");
+#endif
+
+#if @GNULIB_VFSCANF@
+# if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef vfscanf
+# define vfscanf rpl_vfscanf
+# endif
+_GL_FUNCDECL_RPL (vfscanf, int,
+ (FILE *stream, const char *format, va_list args)
+ _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (2, 0)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (vfscanf, int,
+ (FILE *stream, const char *format, va_list args));
+# else
+_GL_CXXALIAS_SYS (vfscanf, int,
+ (FILE *stream, const char *format, va_list args));
+# endif
+_GL_CXXALIASWARN (vfscanf);
+#endif
+
+#if @GNULIB_VPRINTF_POSIX@ || @GNULIB_VPRINTF@
+# if (@GNULIB_VPRINTF_POSIX@ && @REPLACE_VPRINTF@) \
+ || (@GNULIB_VPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@))
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define vprintf rpl_vprintf
+# endif
+# define GNULIB_overrides_vprintf 1
+# if @GNULIB_VPRINTF_POSIX@ || @GNULIB_VFPRINTF_POSIX@
+_GL_FUNCDECL_RPL (vprintf, int, (const char *format, va_list args)
+ _GL_ATTRIBUTE_FORMAT_PRINTF (1, 0)
+ _GL_ARG_NONNULL ((1)));
+# else
+_GL_FUNCDECL_RPL (vprintf, int, (const char *format, va_list args)
+ _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (1, 0)
+ _GL_ARG_NONNULL ((1)));
+# endif
+_GL_CXXALIAS_RPL (vprintf, int, (const char *format, va_list args));
+# else
+/* Need to cast, because on Solaris, the second parameter is
+ __va_list args
+ and GCC's fixincludes did not change this to __gnuc_va_list. */
+_GL_CXXALIAS_SYS_CAST (vprintf, int, (const char *format, va_list args));
+# endif
+_GL_CXXALIASWARN (vprintf);
+#endif
+#if !@GNULIB_VPRINTF_POSIX@ && defined GNULIB_POSIXCHECK
+# if !GNULIB_overrides_vprintf
+# undef vprintf
+# endif
+/* Assume vprintf is always declared. */
+_GL_WARN_ON_USE (vprintf, "vprintf is not always POSIX compliant - "
+ "use gnulib module vprintf-posix for portable "
+ "POSIX compliance");
+#endif
+
+#if @GNULIB_VSCANF@
+# if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef vscanf
+# define vscanf rpl_vscanf
+# endif
+_GL_FUNCDECL_RPL (vscanf, int, (const char *format, va_list args)
+ _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (1, 0)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (vscanf, int, (const char *format, va_list args));
+# else
+_GL_CXXALIAS_SYS (vscanf, int, (const char *format, va_list args));
+# endif
+_GL_CXXALIASWARN (vscanf);