1 files changed, 1 insertions, 0 deletions

diff --git a/hostport.c b/hostport.c
index eb1fe65..7110f74 100644
--- a/hostport.c
+++ b/hostport.c
@@ -7,6 +7,7 @@
  */
 
 #include <stdlib.h>
+#include <unistd.h>
 #include <string.h>
 #include <netdb.h>
 #include <netinet/in.h>