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-rw-r--r--src/unstickpixels.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/unstickpixels.c b/src/unstickpixels.c
index c0b91be..15b0d64 100644
--- a/src/unstickpixels.c
+++ b/src/unstickpixels.c
@@ -16,6 +16,7 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#define _XOPEN_SOURCE 700
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>