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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /manual/examples/isockad.c
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initial import
Diffstat (limited to 'manual/examples/isockad.c')
-rw-r--r--manual/examples/isockad.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/manual/examples/isockad.c b/manual/examples/isockad.c
new file mode 100644
index 0000000..54ec1cc
--- /dev/null
+++ b/manual/examples/isockad.c
@@ -0,0 +1,23 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+
+void
+init_sockaddr (struct sockaddr_in *name,
+ const char *hostname,
+ unsigned short int port)
+{
+ struct hostent *hostinfo;
+
+ name->sin_family = AF_INET;
+ name->sin_port = htons (port);
+ hostinfo = gethostbyname (hostname);
+ if (hostinfo == NULL)
+ {
+ fprintf (stderr, "Unknown host %s.\n", hostname);
+ exit (EXIT_FAILURE);
+ }
+ name->sin_addr = *(struct in_addr *) hostinfo->h_addr;
+}