X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=docs%2Fsocket-auto-port.c;h=3c68c70869cc09f61505ca809c96a889b65c07d8;hb=e9f7d4faa2566d22ad1589438cdce51244a2ce4f;hp=850759a403df0356944fb2b3937c918127d4b2cd;hpb=33f07017fb9f087d179da73e172a9d495de88e55;p=catta

diff --git a/docs/socket-auto-port.c b/docs/socket-auto-port.c
index 850759a..3c68c70 100644
--- a/docs/socket-auto-port.c
+++ b/docs/socket-auto-port.c
@@ -5,17 +5,18 @@
 #include <inttypes.h>
 #include <errno.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char *argv[]) {
     int s;
     struct sockaddr_storage sa;
     socklen_t salen;
     uint16_t port;
-    
+
     if ((s = socket(PF_INET6, SOCK_STREAM, 0)) < 0) {
         if (errno == EAFNOSUPPORT)
             s = socket(PF_INET, SOCK_STREAM, 0);
-    
+
         if (s < 0) {
             perror("socket()");
             return 1;
@@ -43,6 +44,6 @@ int main(int argc, char *argv[]) {
     /* ... hic sunt leones ... */
 
     sleep(60);
-    
+
     return 0;
 }