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-rw-r--r--src/stdio/fputwc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/stdio/fputwc.c b/src/stdio/fputwc.c
index 45ea8c23..7b621dd2 100644
--- a/src/stdio/fputwc.c
+++ b/src/stdio/fputwc.c
@@ -1,4 +1,7 @@
#include "stdio_impl.h"
+#include <wchar.h>
+#include <limits.h>
+#include <ctype.h>
wint_t __fputwc_unlocked(wchar_t c, FILE *f)
{