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-rw-r--r--lib/libm/nan.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libm/nan.c b/lib/libm/nan.c
index e0f545d4..905817ed 100644
--- a/lib/libm/nan.c
+++ b/lib/libm/nan.c
@@ -1,5 +1,5 @@
-#include <sys/cdefs.h>
-#include <math.h>
+#include <math.h> // for nan, NAN
+#include <sys/cdefs.h> // for __unused
double nan(const char *__unused s)
{