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-rw-r--r--libio/wscanf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libio/wscanf.c b/libio/wscanf.c
index a530d6fcfa..dcae69aa67 100644
--- a/libio/wscanf.c
+++ b/libio/wscanf.c
@@ -18,6 +18,7 @@
 
 #include <stdarg.h>
 #include <stdio.h>
+#include <wchar.h>
 
 
 /* Read formatted input from stdin according to the format string FORMAT.  */