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-rw-r--r--newlib/libc/stdio/getchar_u.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/newlib/libc/stdio/getchar_u.c b/newlib/libc/stdio/getchar_u.c
index 22254cbf5..516b4dbd2 100644
--- a/newlib/libc/stdio/getchar_u.c
+++ b/newlib/libc/stdio/getchar_u.c
@@ -26,7 +26,7 @@ INDEX
SYNOPSIS
#include <stdio.h>
- int getchar_unlocked();
+ int getchar_unlocked(void);
#include <stdio.h>
int _getchar_unlocked_r(struct _reent *<[ptr]>);