[vala] posix: add gethostbyname(3) and assorted struct

[Dr. Michael Lauer <mlauer src gnome org>]

commit 0d8aea145d90ab04a57e2868b0cc56693ddd7e8d
Author: Dr. Michael Lauer <mickey vanille-media de>
Date:   Tue Apr 7 15:52:22 2015 +0000

    posix: add gethostbyname(3) and assorted struct

 vapi/posix.vapi |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/vapi/posix.vapi b/vapi/posix.vapi
index 49311cf..7a4baf5 100644
--- a/vapi/posix.vapi
+++ b/vapi/posix.vapi
@@ -1432,6 +1432,8 @@ namespace Posix {
        public void freeaddrinfo (AddrInfo *res);
        [CCode (cheader_filename = "netdb.h")]
        public unowned string gai_strerror (int errcode);
+    [CCode (cheader_filename = "netdb.h")]
+    public unowned HostEnt gethostbyname (string name);
 
        [CCode (cname = "socklen_t", cheader_filename = "sys/socket.h", default_value = "0", has_type_id = 
false)]
        public struct socklen_t : int {
@@ -1483,6 +1485,17 @@ namespace Posix {
                public AddrInfo *ai_next;
        }
 
+    [CCode (cname = "struct hostent", cheader_filename = "netdb.h", destroy_function = "", has_type_id = 
false)]
+    public class HostEnt {
+        public string h_name;
+        [CCode (array_length=false, array_null_terminated=true)]
+        public string[] h_aliases;
+        public int h_addrtype;
+        public int h_length;
+        [CCode (array_length=false, array_null_terminated=true)]
+        public string[] h_addr_list;
+    }
+
        [CCode (cheader_filename = "sys/stat.h")]
        public int mkfifo (string filename, mode_t mode);