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±àÒë: gcc -o reqroute iproute_linux.c
ʹÓÃ: ./reqroute 1.2.3.4
½á¹û:source:1.3.4.5
       Gateway:192.168.1.3
       Dev:eth0
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iproute_linux.h
typedef unsigned char __u8;
typedef short __s16;
typedef unsigned int __u32;
typedef struct{
 __u8 family;
 __u8 bytelen;
 __s16 bitlen;
 __u32 flags;
 __u32 data[8];
} inet_prefix;
static struct{
 int tb;
 int cloned;
 int flushed;
 char *flushb;
 int flushp;
 int flushe;
 struct rtnl_handle *rth;
 int protocol, protocolmask;
 int scope, scopemask;
 int type, typemask;
 int tos, tosmask;
 int iif, iifmask;
 int oif, oifmask;
 int realm, realmmask;
 inet_prefix rprefsrc;
 inet_prefix rvia;
 inet_prefix rdst;
 inet_prefix mdst;
 inet_prefix rsrc;
 inet_prefix msrc;
} filter;
struct dn_naddr{
        unsigned short a_len;
        unsigned char a_addr[20];
};
struct ipx_addr {
 u_int32_t ipx_net;
 u_int8_t  ipx_node[6];
};
struct idxmap{
 struct idxmap * next;
 unsigned index;
 int  type;
 int  alen;
 unsigned flags;
 unsigned char addr[20];
 char  name[16];
};
struct rtnl_handle{
 int   fd;
 struct sockaddr_nl local;
 struct sockaddr_nl peer;
 __u32   seq;
 __u32   dump;
};
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iproute_linux.c
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <syslog.h>
#include <fcntl.h>
#include <string.h>
#include <time.h>
#include <sys/time.h>
#includ