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-rw-r--r--src/node.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/node.c b/src/node.c
index 5ade56a..0a21956 100644
--- a/src/node.c
+++ b/src/node.c
@@ -15,6 +15,7 @@
*/
#include <math.h>
+#include <stdio.h>
#include <stdlib.h>
#include <string.h>