1 files changed, 3 insertions, 0 deletions
diff --git a/src/main.c b/src/main.c
index 65f5bfd..4549118 100644
--- a/src/main.c
+++ b/src/main.c
@@ -21,6 +21,9 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
 
+#define _POSIX_C_SOURCE 1 /* fileno() */
+#define _BSD_SOURCE /* strdup() */
+
 /* system includes */
 #include <stdlib.h>
 #include <string.h>