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-rw-r--r--src/options.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/options.c b/src/options.c
index 0d6943a..6e02649 100644
--- a/src/options.c
+++ b/src/options.c
@@ -39,6 +39,7 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
+#include <ctype.h>
#include "log.h"