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C:/Documents and Settings/user>ipconfig
Windows IP Configuration
Ethernet adapter æ¬å°è¿æ¥:
Connection-specific DNS Suffix . :
IP Address. . . . . . . . . . . . : 192.168.0.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.0.1
Ethernet adapter {6C8AEC26-0EC3-40FE-812E-A46778ECA752}:
Media State . . . . . . . . . . . : Media disconnected
PPP adapter 宽带æ¨å·:
Connection-specific DNS Suffix . :
IP Address. . . . . . . . . . . . : 125.34.47.25
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . : 125.34.47.25
2) ç¨tracertæ¥å¤æIPç±»å
å¦ææ¯ä¸ä¸ªhopsä¸æ¯å
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C:/Documents and Settings/user>tracert
www.baidu.comTracing route to
www.a.shifen.com [202.108.22.5]
over a maximum of 30 hops:
1 15 ms 16 ms 14 ms 125.34.40.1
2 14 ms * * 61.148.8.9
3 26 ms 72 ms 40 ms xd-22-5-a8.bta.net.cn [202.108.22.5]
Trace complete.
3ï¼ç¼ç¨å®ç°
è·åå°æ¬æºææçIPå°åå表ï¼å¯¹IPå表è¿è¡åæï¼
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//æ¤å¤ä¸èèå
¶å®å¹³å°ï¼å¨inetæ¶æä¸æµè¯, è¾å
¥çip为主æºåè顺åº
// 0xa -- "10.0.0.0">>24; 0xc0a8--"192.168.0.0.">>16; 0x2b0--"127.17.0.1">>22
int isInnerIP( uint32_t a_ip )
{
int bValid = -1;
if( (a_ip>>24 == 0xa) || (a_ip>>16 == 0xc0a8) || (a_ip>>22 == 0x2b0) )
{
bValid = 0;
}
return bValid;
}
int isInnerIP( char* a_strip )
{
return 0;
}
IPç¸å
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//è·åå°æ¬æºææçIPå°åå表ï¼å¹¶åå«ç¨å符串ä¸æ´å½¢å½¢å¼æ¥æ¾ç¤º
int getHostIP() //return int
{
struct sockaddr_in localAddr, destAddr;
struct hostent* h;
char temp[128];
int nRect = gethostname(temp, 128);
printf("ipaddr src3 is: %s/n", temp);
if(nRect !=0)
{
printf("error");
}
h = gethostbyname(temp);
if(h)
{
for(int nAdapter=0; h->h_addr_list[nAdapter]; nAdapter++)
{
memcpy(&destAddr.sin_addr.s_addr, h->h_addr_list[nAdapter], h->h_length);
// è¾åºæºå¨çIPå°å.
printf("Address string: %s/n", inet_ntoa(destAddr.sin_addr)); // æ¾ç¤ºå°å串
printf("Address int: %d/n", destAddr.sin_addr.s_addr); // 转å为æ´å½¢æ°å
}
}
return 0;
}
//æ£æ¥å符串IPæ¯å¦åæ³
int isCheckTrue(char* strip)
{
int value;
for( int i = 0; i < strlen(strip); i++)
{
// let's check if all entered char in entered
// IP address are digits
if(strip[i] == '.')
continue;
if(isdigit(strip[i]) == 0)
{
return -1;
}
}
return 0;
}
//å°å符串IP转å为æ´å½¢IP
int str2intIP(char* strip) //return int ip
{
int intIP;
if(!(intIP = inet_addr(strip)))
{
perror("inet_addr failed./n");
return -1;
}
return intIP;
}