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-rw-r--r--rootston/input.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/rootston/input.c b/rootston/input.c
index de847d78..b7a5f1ba 100644
--- a/rootston/input.c
+++ b/rootston/input.c
@@ -1,4 +1,4 @@
-#define _POSIX_C_SOURCE 199309L
+#define _POSIX_C_SOURCE 200112L
#include <assert.h>
#include <stdlib.h>
#include <time.h>