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-rw-r--r--nuttx/lib/math/lib_exp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/nuttx/lib/math/lib_exp.c b/nuttx/lib/math/lib_exp.c
index 5b54dbaac..350229860 100644
--- a/nuttx/lib/math/lib_exp.c
+++ b/nuttx/lib/math/lib_exp.c
@@ -32,6 +32,7 @@
#include <nuttx/config.h>
#include <nuttx/compiler.h>
+#include <sys/types.h>
#include <math.h>
#include "lib_internal.h"