diff --git a/src/file.c b/src/file.c
index 350b100..d8b5395 100644
--- a/src/file.c
+++ b/src/file.c
@@ -27,6 +27,8 @@
 #include <string.h>
 #include <limits.h>
 
+#include <sys/stat.h>
+
 #include <fcntl.h>
 #include <unistd.h>
 
diff --git a/src/tcpsocket.c b/src/tcpsocket.c
index 2666170..a624185 100644
--- a/src/tcpsocket.c
+++ b/src/tcpsocket.c
@@ -24,6 +24,8 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _POSIX_SOURCE
+
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>