2 files changed, 2 insertions, 0 deletions
diff --git a/libio/tst_swscanf.c b/libio/tst_swscanf.c
index ce56144bb0..59e5324c0e 100644
--- a/libio/tst_swscanf.c
+++ b/libio/tst_swscanf.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <string.h>
 #include <wchar.h>
 
 int
diff --git a/libio/tst_wscanf.c b/libio/tst_wscanf.c
index 719f37867e..97bc518124 100644
--- a/libio/tst_wscanf.c
+++ b/libio/tst_wscanf.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <string.h>
 #include <wchar.h>
 
 int