Add source.

1 files changed, 39 insertions, 0 deletions

diff --git a/sdk/net/gethost.c b/sdk/net/gethost.c
new file mode 100644
index 0000000..f74997c
--- /dev/null
+++ b/sdk/net/gethost.c
@@ -0,0 +1,39 @@
+/*
+ * Portable and simple host name lookup fuction.
+ * $Id$
+ * Copyright (c) 1997 by Tycho Softworks.
+ * For conditions of distribution and reuse see product license.
+ */
+
+#include <net/socket.h>
+
+struct	hostent	*gethost(const char *hostname)
+{
+	static	struct	in_addr	saddr;
+	struct	hostent *hp;
+	static	struct	hostent	np;
+	static	char	host[24];
+	static	char	*alias[] = {NULL};
+	static	struct	in_addr	*alist[] = {&saddr, NULL};
+
+	if(!hostname)
+		return NULL;
+
+	if(isdigit(*hostname))
+	{
+		saddr.s_addr = inet_addr(hostname);
+		hp = gethostbyaddr((void *)&saddr, sizeof(struct in_addr), AF_INET);
+		if(hp)
+			return hp;
+			
+		strcpy(host, hostname);
+		np.h_name = host;
+		np.h_aliases = alias;
+		np.h_addrtype = AF_INET;
+		np.h_length = 4;
+		np.h_addr_list = (char **)alist;
+		return &np;
+	}
+	else
+		return gethostbyname(hostname);
+}