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-rw-r--r--snow.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/snow.c b/snow.c
index 4835cfe..7139e28 100644
--- a/snow.c
+++ b/snow.c
@@ -25,6 +25,10 @@
#include <unistd.h>
#include <time.h>
+#ifndef nitems
+#define nitems(s) (sizeof(s) / sizeof((s)[0]))
+#endif
+
struct particle {
int x;
int y;