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-rw-r--r--stdio-common/reg-printf.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/stdio-common/reg-printf.c b/stdio-common/reg-printf.c
index 2cb086dedf..519eec20ac 100644
--- a/stdio-common/reg-printf.c
+++ b/stdio-common/reg-printf.c
@@ -26,6 +26,9 @@ printf_arginfo_function *__printf_arginfo_table[UCHAR_MAX + 1];
 
 printf_function **__printf_function_table;
 
+int __register_printf_function __P ((int, printf_function,
+                                     printf_arginfo_function));
+
 /* Register FUNC to be called to format SPEC specifiers.  */
 int
 __register_printf_function (spec, converter, arginfo)