diff --git a/networking/udhcp/arpping.c b/networking/udhcp/arpping.c
index 363408d6e..f2e3768c5 100644
--- a/networking/udhcp/arpping.c
+++ b/networking/udhcp/arpping.c
@@ -29,7 +29,7 @@
  */  
 
 /* FIXME: match response against chaddr */
-int arpping(u_int32_t yiaddr, u_int32_t ip, unsigned char *mac, char *interface)
+int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *mac, char *interface)
 {
 
 	int	timeout = 2;
@@ -91,7 +91,7 @@ int arpping(u_int32_t yiaddr, u_int32_t ip, unsigned char *mac, char *interface)
 			if (recv(s, &arp, sizeof(arp), 0) < 0 ) rv = 0;
 			if (arp.operation == htons(ARPOP_REPLY) && 
 			    bcmp(arp.tHaddr, mac, 6) == 0 && 
-			    *((u_int *) arp.sInaddr) == yiaddr) {
+			    *((uint32_t *) arp.sInaddr) == yiaddr) {
 				DEBUG(LOG_INFO, "Valid arp reply receved for this address");
 				rv = 0;
 				break;
diff --git a/networking/udhcp/arpping.h b/networking/udhcp/arpping.h
index 92b828db5..99413aab6 100644
--- a/networking/udhcp/arpping.h
+++ b/networking/udhcp/arpping.h
@@ -12,19 +12,19 @@
 
 struct arpMsg {
 	struct ethhdr ethhdr;	 		/* Ethernet header */
-	u_short htype;				/* hardware type (must be ARPHRD_ETHER) */
-	u_short ptype;				/* protocol type (must be ETH_P_IP) */
-	u_char  hlen;				/* hardware address length (must be 6) */
-	u_char  plen;				/* protocol address length (must be 4) */
-	u_short operation;			/* ARP opcode */
-	u_char  sHaddr[6];			/* sender's hardware address */
-	u_char  sInaddr[4];			/* sender's IP address */
-	u_char  tHaddr[6];			/* target's hardware address */
-	u_char  tInaddr[4];			/* target's IP address */
-	u_char  pad[18];			/* pad for min. Ethernet payload (60 bytes) */
+	uint16_t htype;				/* hardware type (must be ARPHRD_ETHER) */
+	uint16_t ptype;				/* protocol type (must be ETH_P_IP) */
+	uint8_t  hlen;				/* hardware address length (must be 6) */
+	uint8_t  plen;				/* protocol address length (must be 4) */
+	uint16_t operation;			/* ARP opcode */
+	uint8_t  sHaddr[6];			/* sender's hardware address */
+	uint8_t  sInaddr[4];			/* sender's IP address */
+	uint8_t  tHaddr[6];			/* target's hardware address */
+	uint8_t  tInaddr[4];			/* target's IP address */
+	uint8_t  pad[18];			/* pad for min. Ethernet payload (60 bytes) */
 };
 
 /* function prototypes */
-int arpping(u_int32_t yiaddr, u_int32_t ip, unsigned char *arp, char *interface);
+int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *arp, char *interface);
 
 #endif
diff --git a/networking/udhcp/clientpacket.c b/networking/udhcp/clientpacket.c
index 5cbe79e7e..6838c07e8 100644
--- a/networking/udhcp/clientpacket.c
+++ b/networking/udhcp/clientpacket.c
@@ -78,7 +78,7 @@ static void init_packet(struct dhcpMessage *packet, char type)
 	memcpy(packet->chaddr, client_config.arp, 6);
 	add_option_string(packet->options, client_config.clientid);
 	if (client_config.hostname) add_option_string(packet->options, client_config.hostname);
-	add_option_string(packet->options, (unsigned char *) &vendor_id);
+	add_option_string(packet->options, (uint8_t *) &vendor_id);
 }
 
 
@@ -179,8 +179,8 @@ int get_raw_packet(struct dhcpMessage *payload, int fd)
 {
 	int bytes;
 	struct udp_dhcp_packet packet;
-	u_int32_t source, dest;
-	u_int16_t check;
+	uint32_t source, dest;
+	uint16_t check;
 
 	memset(&packet, 0, sizeof(struct udp_dhcp_packet));
 	bytes = read(fd, &packet, sizeof(struct udp_dhcp_packet));
@@ -207,7 +207,7 @@ int get_raw_packet(struct dhcpMessage *payload, int fd)
 	if (packet.ip.protocol != IPPROTO_UDP || packet.ip.version != IPVERSION ||
 	    packet.ip.ihl != sizeof(packet.ip) >> 2 || packet.udp.dest != htons(CLIENT_PORT) ||
 	    bytes > (int) sizeof(struct udp_dhcp_packet) ||
-	    ntohs(packet.udp.len) != (short) (bytes - sizeof(packet.ip))) {
+	    ntohs(packet.udp.len) != (uint16_t) (bytes - sizeof(packet.ip))) {
 	    	DEBUG(LOG_INFO, "unrelated/bogus packet");
 	    	return -2;
 	}
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index a180cc514..2ba42d295 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -179,7 +179,7 @@ int udhcpc_main(int argc, char *argv[])
 int main(int argc, char *argv[])
 #endif
 {
-	unsigned char *temp, *message;
+	uint8_t *temp, *message;
 	unsigned long t1 = 0, t2 = 0, xid = 0;
 	unsigned long start = 0, lease;
 	fd_set rfds;
diff --git a/networking/udhcp/dhcpc.h b/networking/udhcp/dhcpc.h
index 7145cbd8b..9c4aa95f7 100644
--- a/networking/udhcp/dhcpc.h
+++ b/networking/udhcp/dhcpc.h
@@ -25,10 +25,10 @@ struct client_config_t {
 	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 */
-	unsigned char *clientid;	/* Optional client id to use */
-	unsigned char *hostname;	/* Optional hostname to use */
+	uint8_t *clientid;		/* Optional client id to use */
+	uint8_t *hostname;		/* Optional hostname to use */
 	int ifindex;			/* Index number of the interface to use */
-	unsigned char arp[6];		/* Our arp address */
+	uint8_t arp[6];			/* Our arp address */
 };
 
 extern struct client_config_t client_config;
diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c
index aabab38b0..8c944f243 100644
--- a/networking/udhcp/dhcpd.c
+++ b/networking/udhcp/dhcpd.c
@@ -62,9 +62,9 @@ int main(int argc, char *argv[])
 	int server_socket = -1;
 	int bytes, retval;
 	struct dhcpMessage packet;
-	unsigned char *state;
-	unsigned char *server_id, *requested;
-	u_int32_t server_id_align, requested_align;
+	uint8_t *state;
+	uint8_t *server_id, *requested;
+	uint32_t server_id_align, requested_align;
 	unsigned long timeout_end;
 	struct option_set *option;
 	struct dhcpOfferedAddr *lease;
diff --git a/networking/udhcp/dhcpd.h b/networking/udhcp/dhcpd.h
index d53a809ca..925634461 100644
--- a/networking/udhcp/dhcpd.h
+++ b/networking/udhcp/dhcpd.h
@@ -89,24 +89,24 @@
 #define SNAME_FIELD		2
 
 /* miscellaneous defines */
-#define MAC_BCAST_ADDR		(unsigned char *) "\xff\xff\xff\xff\xff\xff"
+#define MAC_BCAST_ADDR		(uint8_t *) "\xff\xff\xff\xff\xff\xff"
 #define OPT_CODE 0
 #define OPT_LEN 1
 #define OPT_DATA 2
 
 struct option_set {
-	unsigned char *data;
+	uint8_t *data;
 	struct option_set *next;
 };
 
 struct server_config_t {
-	u_int32_t server;		/* Our IP, in network order */
-	u_int32_t start;		/* Start address of leases, network order */
-	u_int32_t end;			/* End of leases, network order */
+	uint32_t server;		/* Our IP, in network order */
+	uint32_t start;		/* Start address of leases, network order */
+	uint32_t end;			/* End of leases, network order */
 	struct option_set *options;	/* List of DHCP options loaded from the config file */
 	char *interface;		/* The name of the interface to use */
 	int ifindex;			/* Index number of the interface to use */
-	unsigned char arp[6];		/* Our arp address */
+	uint8_t arp[6];		/* Our arp address */
 	unsigned long lease;		/* lease time in seconds (host order) */
 	unsigned long max_leases; 	/* maximum number of leases (including reserved address) */
 	char remaining; 		/* should the lease file be interpreted as lease time remaining, or
@@ -121,7 +121,7 @@ struct server_config_t {
 	char *lease_file;
 	char *pidfile;
 	char *notify_file;		/* What to run whenever leases are written */
-	u_int32_t siaddr;		/* next server bootp option */
+	uint32_t siaddr;		/* next server bootp option */
 	char *sname;			/* bootp server name */
 	char *boot_file;		/* bootp boot file option */
 };	
diff --git a/networking/udhcp/files.c b/networking/udhcp/files.c
index 6d72863ee..0802bb316 100644
--- a/networking/udhcp/files.c
+++ b/networking/udhcp/files.c
@@ -52,7 +52,7 @@ static int read_str(const char *line, void *arg)
 
 static int read_u32(const char *line, void *arg)
 {
-	u_int32_t *dest = arg;
+	uint32_t *dest = arg;
 	char *endptr;
 	*dest = strtoul(line, &endptr, 0);
 	return endptr[0] == '\0';
@@ -83,8 +83,8 @@ static int read_opt(const char *const_line, void *arg)
 	int retval = 0, length;
 	char buffer[8];
 	char *line;
-	u_int16_t *result_u16 = (u_int16_t *) buffer;
-	u_int32_t *result_u32 = (u_int32_t *) buffer;
+	uint16_t *result_u16 = (uint16_t *) buffer;
+	uint32_t *result_u32 = (uint32_t *) buffer;
 
 	/* Cheat, the only const line we'll actually get is "" */
 	line = (char *) const_line;
diff --git a/networking/udhcp/leases.c b/networking/udhcp/leases.c
index add114f6c..dce056654 100644
--- a/networking/udhcp/leases.c
+++ b/networking/udhcp/leases.c
@@ -17,10 +17,10 @@
 #include "common.h"
 
 
-unsigned char blank_chaddr[] = {[0 ... 15] = 0};
+uint8_t blank_chaddr[] = {[0 ... 15] = 0};
 
 /* clear every lease out that chaddr OR yiaddr matches and is nonzero */
-void clear_lease(u_int8_t *chaddr, u_int32_t yiaddr)
+void clear_lease(uint8_t *chaddr, uint32_t yiaddr)
 {
 	unsigned int i, j;
 	
@@ -35,7 +35,7 @@ void clear_lease(u_int8_t *chaddr, u_int32_t yiaddr)
 
 
 /* add a lease into the table, clearing out any old ones */
-struct dhcpOfferedAddr *add_lease(u_int8_t *chaddr, u_int32_t yiaddr, unsigned long lease)
+struct dhcpOfferedAddr *add_lease(uint8_t *chaddr, uint32_t yiaddr, unsigned long lease)
 {
 	struct dhcpOfferedAddr *oldest;
 	
@@ -80,7 +80,7 @@ struct dhcpOfferedAddr *oldest_expired_lease(void)
 
 
 /* Find the first lease that matches chaddr, NULL if no match */
-struct dhcpOfferedAddr *find_lease_by_chaddr(u_int8_t *chaddr)
+struct dhcpOfferedAddr *find_lease_by_chaddr(uint8_t *chaddr)
 {
 	unsigned int i;
 
@@ -92,7 +92,7 @@ struct dhcpOfferedAddr *find_lease_by_chaddr(u_int8_t *chaddr)
 
 
 /* Find the first lease that matches yiaddr, NULL is no match */
-struct dhcpOfferedAddr *find_lease_by_yiaddr(u_int32_t yiaddr)
+struct dhcpOfferedAddr *find_lease_by_yiaddr(uint32_t yiaddr)
 {
 	unsigned int i;
 
@@ -104,7 +104,7 @@ struct dhcpOfferedAddr *find_lease_by_yiaddr(u_int32_t yiaddr)
 
 
 /* check is an IP is taken, if it is, add it to the lease table */
-static int check_ip(u_int32_t addr)
+static int check_ip(uint32_t addr)
 {
 	struct in_addr temp;
 
@@ -120,9 +120,9 @@ static int check_ip(u_int32_t addr)
 
 /* find an assignable address, it check_expired is true, we check all the expired leases as well.
  * Maybe this should try expired leases by age... */
-u_int32_t find_address(int check_expired) 
+uint32_t find_address(int check_expired) 
 {
-	u_int32_t addr, ret;
+	uint32_t addr, ret;
 	struct dhcpOfferedAddr *lease = NULL;		
 
 	addr = ntohl(server_config.start); /* addr is in host order here */
diff --git a/networking/udhcp/leases.h b/networking/udhcp/leases.h
index 24d860867..b13fa72d3 100644
--- a/networking/udhcp/leases.h
+++ b/networking/udhcp/leases.h
@@ -4,20 +4,20 @@
 
 
 struct dhcpOfferedAddr {
-	u_int8_t chaddr[16];
-	u_int32_t yiaddr;	/* network order */
-	u_int32_t expires;	/* host order */
+	uint8_t chaddr[16];
+	uint32_t yiaddr;	/* network order */
+	uint32_t expires;	/* host order */
 };
 
-extern unsigned char blank_chaddr[];
+extern uint8_t blank_chaddr[];
 
-void clear_lease(u_int8_t *chaddr, u_int32_t yiaddr);
-struct dhcpOfferedAddr *add_lease(u_int8_t *chaddr, u_int32_t yiaddr, unsigned long lease);
+void clear_lease(uint8_t *chaddr, uint32_t yiaddr);
+struct dhcpOfferedAddr *add_lease(uint8_t *chaddr, uint32_t yiaddr, unsigned long lease);
 int lease_expired(struct dhcpOfferedAddr *lease);
 struct dhcpOfferedAddr *oldest_expired_lease(void);
-struct dhcpOfferedAddr *find_lease_by_chaddr(u_int8_t *chaddr);
-struct dhcpOfferedAddr *find_lease_by_yiaddr(u_int32_t yiaddr);
-u_int32_t find_address(int check_expired);
+struct dhcpOfferedAddr *find_lease_by_chaddr(uint8_t *chaddr);
+struct dhcpOfferedAddr *find_lease_by_yiaddr(uint32_t yiaddr);
+uint32_t find_address(int check_expired);
 
 
 #endif
diff --git a/networking/udhcp/options.c b/networking/udhcp/options.c
index 32deeabb3..1bdf25708 100644
--- a/networking/udhcp/options.c
+++ b/networking/udhcp/options.c
@@ -59,10 +59,10 @@ int option_lengths[] = {
 
 
 /* get an option with bounds checking (warning, not aligned). */
-unsigned char *get_option(struct dhcpMessage *packet, int code)
+uint8_t *get_option(struct dhcpMessage *packet, int code)
 {
 	int i, length;
-	unsigned char *optionptr;
+	uint8_t *optionptr;
 	int over = 0, done = 0, curr = OPTION_FIELD;
 	
 	optionptr = packet->options;
@@ -114,7 +114,7 @@ unsigned char *get_option(struct dhcpMessage *packet, int code)
 
 
 /* return the position of the 'end' option (no bounds checking) */
-int end_option(unsigned char *optionptr) 
+int end_option(uint8_t *optionptr) 
 {
 	int i = 0;
 	
@@ -128,7 +128,7 @@ int end_option(unsigned char *optionptr)
 
 /* add an option string to the options (an option string contains an option code,
  * length, then data) */
-int add_option_string(unsigned char *optionptr, unsigned char *string)
+int add_option_string(uint8_t *optionptr, uint8_t *string)
 {
 	int end = end_option(optionptr);
 	
@@ -145,17 +145,17 @@ int add_option_string(unsigned char *optionptr, unsigned char *string)
 
 
 /* add a one to four byte option to a packet */
-int add_simple_option(unsigned char *optionptr, unsigned char code, u_int32_t data)
+int add_simple_option(uint8_t *optionptr, uint8_t code, uint32_t data)
 {
 	char length = 0;
 	int i;
-	unsigned char option[2 + 4];
-	unsigned char *u8;
-	u_int16_t *u16;
-	u_int32_t *u32;
-	u_int32_t aligned;
-	u8 = (unsigned char *) &aligned;
-	u16 = (u_int16_t *) &aligned;
+	uint8_t option[2 + 4];
+	uint8_t *u8;
+	uint16_t *u16;
+	uint32_t *u32;
+	uint32_t aligned;
+	u8 = (uint8_t *) &aligned;
+	u16 = (uint16_t *) &aligned;
 	u32 = &aligned;
 
 	for (i = 0; dhcp_options[i].code; i++)
diff --git a/networking/udhcp/options.h b/networking/udhcp/options.h
index a62665801..fbe54c884 100644
--- a/networking/udhcp/options.h
+++ b/networking/udhcp/options.h
@@ -24,16 +24,16 @@ enum {
 struct dhcp_option {
 	char name[10];
 	char flags;
-	unsigned char code;
+	uint8_t code;
 };
 
 extern struct dhcp_option dhcp_options[];
 extern int option_lengths[];
 
-unsigned char *get_option(struct dhcpMessage *packet, int code);
-int end_option(unsigned char *optionptr);
-int add_option_string(unsigned char *optionptr, unsigned char *string);
-int add_simple_option(unsigned char *optionptr, unsigned char code, u_int32_t data);
+uint8_t *get_option(struct dhcpMessage *packet, int code);
+int end_option(uint8_t *optionptr);
+int add_option_string(uint8_t *optionptr, uint8_t *string);
+int add_simple_option(uint8_t *optionptr, uint8_t code, uint32_t data);
 struct option_set *find_option(struct option_set *opt_list, char code);
 void attach_option(struct option_set **opt_list, struct dhcp_option *option, char *buffer, int length);
 
diff --git a/networking/udhcp/packet.c b/networking/udhcp/packet.c
index 32b489476..a3c7ae153 100644
--- a/networking/udhcp/packet.c
+++ b/networking/udhcp/packet.c
@@ -69,7 +69,7 @@ int get_packet(struct dhcpMessage *packet, int fd)
 	
 	if (packet->op == BOOTREQUEST && (vendor = get_option(packet, DHCP_VENDOR))) {
 		for (i = 0; broken_vendors[i][0]; i++) {
-			if (vendor[OPT_LEN - 2] == (unsigned char) strlen(broken_vendors[i]) &&
+			if (vendor[OPT_LEN - 2] == (uint8_t) strlen(broken_vendors[i]) &&
 			    !strncmp(vendor, broken_vendors[i], vendor[OPT_LEN - 2])) {
 			    	DEBUG(LOG_INFO, "broken client (%s), forcing broadcast",
 			    		broken_vendors[i]);
@@ -83,13 +83,13 @@ int get_packet(struct dhcpMessage *packet, int fd)
 }
 
 
-u_int16_t checksum(void *addr, int count)
+uint16_t checksum(void *addr, int count)
 {
 	/* Compute Internet Checksum for "count" bytes
 	 *         beginning at location "addr".
 	 */
 	register int32_t sum = 0;
-	u_int16_t *source = (u_int16_t *) addr;
+	uint16_t *source = (uint16_t *) addr;
 
 	while (count > 1)  {
 		/*  This is the inner loop */
@@ -101,8 +101,8 @@ u_int16_t checksum(void *addr, int count)
 	if (count > 0) {
 		/* Make sure that the left-over byte is added correctly both
 		 * with little and big endian hosts */
-		u_int16_t tmp = 0;
-		*(unsigned char *) (&tmp) = * (unsigned char *) source;
+		uint16_t tmp = 0;
+		*(uint8_t *) (&tmp) = * (uint8_t *) source;
 		sum += tmp;
 	}
 	/*  Fold 32-bit sum to 16 bits */
@@ -114,8 +114,8 @@ u_int16_t checksum(void *addr, int count)
 
 
 /* Constuct a ip/udp header for a packet, and specify the source and dest hardware address */
-int raw_packet(struct dhcpMessage *payload, u_int32_t source_ip, int source_port,
-		   u_int32_t dest_ip, int dest_port, unsigned char *dest_arp, int ifindex)
+int raw_packet(struct dhcpMessage *payload, uint32_t source_ip, int source_port,
+		   uint32_t dest_ip, int dest_port, uint8_t *dest_arp, int ifindex)
 {
 	int fd;
 	int result;
@@ -167,8 +167,8 @@ int raw_packet(struct dhcpMessage *payload, u_int32_t source_ip, int source_port
 
 
 /* Let the kernel do all the work for packet generation */
-int kernel_packet(struct dhcpMessage *payload, u_int32_t source_ip, int source_port,
-		   u_int32_t dest_ip, int dest_port)
+int kernel_packet(struct dhcpMessage *payload, uint32_t source_ip, int source_port,
+		   uint32_t dest_ip, int dest_port)
 {
 	int n = 1;
 	int fd, result;
diff --git a/networking/udhcp/packet.h b/networking/udhcp/packet.h
index 1a263ef8b..22c4d09c3 100644
--- a/networking/udhcp/packet.h
+++ b/networking/udhcp/packet.h
@@ -5,22 +5,22 @@
 #include <netinet/ip.h>
 
 struct dhcpMessage {
-	u_int8_t op;
-	u_int8_t htype;
-	u_int8_t hlen;
-	u_int8_t hops;
-	u_int32_t xid;
-	u_int16_t secs;
-	u_int16_t flags;
-	u_int32_t ciaddr;
-	u_int32_t yiaddr;
-	u_int32_t siaddr;
-	u_int32_t giaddr;
-	u_int8_t chaddr[16];
-	u_int8_t sname[64];
-	u_int8_t file[128];
-	u_int32_t cookie;
-	u_int8_t options[308]; /* 312 - cookie */ 
+	uint8_t op;
+	uint8_t htype;
+	uint8_t hlen;
+	uint8_t hops;
+	uint32_t xid;
+	uint16_t secs;
+	uint16_t flags;
+	uint32_t ciaddr;
+	uint32_t yiaddr;
+	uint32_t siaddr;
+	uint32_t giaddr;
+	uint8_t chaddr[16];
+	uint8_t sname[64];
+	uint8_t file[128];
+	uint32_t cookie;
+	uint8_t options[308]; /* 312 - cookie */ 
 };
 
 struct udp_dhcp_packet {
@@ -31,11 +31,11 @@ struct udp_dhcp_packet {
 
 void init_header(struct dhcpMessage *packet, char type);
 int get_packet(struct dhcpMessage *packet, int fd);
-u_int16_t checksum(void *addr, int count);
-int raw_packet(struct dhcpMessage *payload, u_int32_t source_ip, int source_port,
-		   u_int32_t dest_ip, int dest_port, unsigned char *dest_arp, int ifindex);
-int kernel_packet(struct dhcpMessage *payload, u_int32_t source_ip, int source_port,
-		   u_int32_t dest_ip, int dest_port);
+uint16_t checksum(void *addr, int count);
+int raw_packet(struct dhcpMessage *payload, uint32_t source_ip, int source_port,
+		   uint32_t dest_ip, int dest_port, uint8_t *dest_arp, int ifindex);
+int kernel_packet(struct dhcpMessage *payload, uint32_t source_ip, int source_port,
+		   uint32_t dest_ip, int dest_port);
 
 
 #endif
diff --git a/networking/udhcp/script.c b/networking/udhcp/script.c
index 24688b518..b7d78624c 100644
--- a/networking/udhcp/script.c
+++ b/networking/udhcp/script.c
@@ -55,7 +55,7 @@ static inline int upper_length(int length, int opt_index)
 }
 
 
-static int sprintip(char *dest, char *pre, unsigned char *ip)
+static int sprintip(char *dest, char *pre, uint8_t *ip)
 {
 	return sprintf(dest, "%s%d.%d.%d.%d", pre, ip[0], ip[1], ip[2], ip[3]);
 }
@@ -74,12 +74,12 @@ static int mton(struct in_addr *mask)
 
 
 /* Fill dest with the text of option 'option'. */
-static void fill_options(char *dest, unsigned char *option, struct dhcp_option *type_p)
+static void fill_options(char *dest, uint8_t *option, struct dhcp_option *type_p)
 {
 	int type, optlen;
-	u_int16_t val_u16;
+	uint16_t val_u16;
 	int16_t val_s16;
-	u_int32_t val_u32;
+	uint32_t val_u32;
 	int32_t val_s32;
 	int len = option[OPT_LEN - 2];
 
@@ -138,7 +138,7 @@ static char **fill_envp(struct dhcpMessage *packet)
 	int num_options = 0;
 	int i, j;
 	char **envp;
-	unsigned char *temp;
+	uint8_t *temp;
 	struct in_addr subnet;
 	char over = 0;
 
@@ -168,7 +168,7 @@ static char **fill_envp(struct dhcpMessage *packet)
 	if (packet == NULL) return envp;
 
 	envp[j] = xmalloc(sizeof("ip=255.255.255.255"));
-	sprintip(envp[j++], "ip=", (unsigned char *) &packet->yiaddr);
+	sprintip(envp[j++], "ip=", (uint8_t *) &packet->yiaddr);
 
 
 	for (i = 0; dhcp_options[i].code; i++) {
@@ -186,7 +186,7 @@ static char **fill_envp(struct dhcpMessage *packet)
 	}
 	if (packet->siaddr) {
 		envp[j] = xmalloc(sizeof("siaddr=255.255.255.255"));
-		sprintip(envp[j++], "siaddr=", (unsigned char *) &packet->siaddr);
+		sprintip(envp[j++], "siaddr=", (uint8_t *) &packet->siaddr);
 	}
 	if (!(over & FILE_FIELD) && packet->file[0]) {
 		/* watch out for invalid packets */
diff --git a/networking/udhcp/serverpacket.c b/networking/udhcp/serverpacket.c
index 32d3c8098..d39e6ba17 100644
--- a/networking/udhcp/serverpacket.c
+++ b/networking/udhcp/serverpacket.c
@@ -43,8 +43,8 @@ static int send_packet_to_relay(struct dhcpMessage *payload)
 /* send a packet to a specific arp address and ip address by creating our own ip packet */
 static int send_packet_to_client(struct dhcpMessage *payload, int force_broadcast)
 {
-	unsigned char *chaddr;
-	u_int32_t ciaddr;
+	uint8_t *chaddr;
+	uint32_t ciaddr;
 	
 	if (force_broadcast) {
 		DEBUG(LOG_INFO, "broadcasting packet to client (NAK)");
@@ -108,8 +108,8 @@ int sendOffer(struct dhcpMessage *oldpacket)
 {
 	struct dhcpMessage packet;
 	struct dhcpOfferedAddr *lease = NULL;
-	u_int32_t req_align, lease_time_align = server_config.lease;
-	unsigned char *req, *lease_time;
+	uint32_t req_align, lease_time_align = server_config.lease;
+	uint8_t *req, *lease_time;
 	struct option_set *curr;
 	struct in_addr addr;
 
@@ -196,12 +196,12 @@ int sendNAK(struct dhcpMessage *oldpacket)
 }
 
 
-int sendACK(struct dhcpMessage *oldpacket, u_int32_t yiaddr)
+int sendACK(struct dhcpMessage *oldpacket, uint32_t yiaddr)
 {
 	struct dhcpMessage packet;
 	struct option_set *curr;
-	unsigned char *lease_time;
-	u_int32_t lease_time_align = server_config.lease;
+	uint8_t *lease_time;
+	uint32_t lease_time_align = server_config.lease;
 	struct in_addr addr;
 
 	init_packet(&packet, oldpacket, DHCPACK);
diff --git a/networking/udhcp/serverpacket.h b/networking/udhcp/serverpacket.h
index 233d44911..902492895 100644
--- a/networking/udhcp/serverpacket.h
+++ b/networking/udhcp/serverpacket.h
@@ -5,7 +5,7 @@
 
 int sendOffer(struct dhcpMessage *oldpacket);
 int sendNAK(struct dhcpMessage *oldpacket);
-int sendACK(struct dhcpMessage *oldpacket, u_int32_t yiaddr);
+int sendACK(struct dhcpMessage *oldpacket, uint32_t yiaddr);
 int send_inform(struct dhcpMessage *oldpacket);
 
 
diff --git a/networking/udhcp/socket.c b/networking/udhcp/socket.c
index c19838a7b..582f0fce5 100644
--- a/networking/udhcp/socket.c
+++ b/networking/udhcp/socket.c
@@ -44,7 +44,7 @@
 #include "socket.h"
 #include "common.h"
 
-int read_interface(char *interface, int *ifindex, u_int32_t *addr, unsigned char *arp)
+int read_interface(char *interface, int *ifindex, uint32_t *addr, uint8_t *arp)
 {
 	int fd;
 	struct ifreq ifr;
@@ -90,7 +90,7 @@ int read_interface(char *interface, int *ifindex, u_int32_t *addr, unsigned char
 }
 
 
-int listen_socket(unsigned int ip, int port, char *inf)
+int listen_socket(uint32_t ip, int port, char *inf)
 {
 	struct ifreq interface;
 	int fd;
diff --git a/networking/udhcp/socket.h b/networking/udhcp/socket.h
index d259ef770..66179d4f5 100644
--- a/networking/udhcp/socket.h
+++ b/networking/udhcp/socket.h
@@ -2,7 +2,7 @@
 #ifndef _SOCKET_H
 #define _SOCKET_H
 
-int read_interface(char *interface, int *ifindex, u_int32_t *addr, unsigned char *arp);
-int listen_socket(unsigned int ip, int port, char *inf);
+int read_interface(char *interface, int *ifindex, uint32_t *addr, uint8_t *arp);
+int listen_socket(uint32_t ip, int port, char *inf);
 
 #endif