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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/mkisock.c
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initial import
Diffstat (limited to 'manual/examples/mkisock.c')
-rw-r--r--manual/examples/mkisock.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/manual/examples/mkisock.c b/manual/examples/mkisock.c
new file mode 100644
index 0000000000..07411bb263
--- /dev/null
+++ b/manual/examples/mkisock.c
@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+int 
+make_socket (unsigned short int port)
+{
+  int sock;
+  struct sockaddr_in name;
+
+  /* Create the socket. */
+  sock = socket (PF_INET, SOCK_STREAM, 0);
+  if (sock < 0)
+    {
+      perror ("socket");
+      exit (EXIT_FAILURE);
+    }
+
+  /* Give the socket a name. */
+  name.sin_family = AF_INET;
+  name.sin_port = htons (port);
+  name.sin_addr.s_addr = htonl (INADDR_ANY);
+  if (bind (sock, (struct sockaddr *) &name, sizeof (name)) < 0)
+    {
+      perror ("bind");
+      exit (EXIT_FAILURE);
+    }
+
+  return sock;
+}