1 files changed, 3 insertions, 1 deletions
diff --git a/src/client.h b/src/client.h
index 900f6ec..b3ade56 100644
--- a/src/client.h
+++ b/src/client.h
@@ -19,6 +19,9 @@
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  */
+#ifndef _DEFAULT_SOURCE
+# define _DEFAULT_SOURCE
+#endif
 #include <stddef.h>
 
 
@@ -63,7 +66,6 @@ enum command {
  */
 int send_command(enum command cmd, size_t n, const char *restrict msg);
 
-
 /**
  * Return the number of bytes required to store a string array.
  *