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-rw-r--r--colorize.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/colorize.c b/colorize.c
index 69aca35..6c998ab 100644
--- a/colorize.c
+++ b/colorize.c
@@ -19,7 +19,8 @@
*
*/
-#define _POSIX_C_SOURCE 200809L
+#define _BSD_SOURCE
+#define _XOPEN_SOURCE 700
#include <assert.h>
#include <ctype.h>
#include <errno.h>