add back in udhcp support

networking/udhcp/dhcpc.h

@@ -0,0 +1,39 @@
+/* dhcpc.h */
+#ifndef _DHCPC_H
+#define _DHCPC_H
+
+/* grab define DEFAULT_SCRIPT */
+#include "libbb_udhcp.h"
+
+#define INIT_SELECTING	0
+#define REQUESTING	1
+#define BOUND		2
+#define RENEWING	3
+#define REBINDING	4
+#define INIT_REBOOT	5
+#define RENEW_REQUESTED 6
+#define RELEASED	7
+
+
+struct client_config_t {
+	char foreground;		/* Do not fork */
+	char quit_after_lease;		/* Quit after obtaining lease */
+	char abort_if_no_lease;		/* Abort if no lease */
+	char background_if_no_lease;	/* Fork to background if no lease */
+	char *interface;		/* The name of the interface to use */
+	char *pidfile;			/* Optionally store the process ID */
+	char *script;			/* User script to run at dhcp events */
+	uint8_t *clientid;		/* Optional client id to use */
+	uint8_t *vendorclass;		/* Optional vendor class-id to use */
+	uint8_t *hostname;		/* Optional hostname to use */
+	uint8_t *fqdn;			/* Optional fully qualified domain name to use */
+	int ifindex;			/* Index number of the interface to use */
+	int retries;			/* Max number of request packets */        
+	int timeout;			/* Number of seconds to try to get a lease */
+	uint8_t arp[6];			/* Our arp address */
+};
+
+extern struct client_config_t client_config;
+
+
+#endif